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Ellesmeroceratidae

Cephalopoda - Ellesmerocerida - Ellesmeroceratidae

Synonyms
Synonymy list
YearName and author
1934Ellesmeroceratidae Kobayashi
1964Wolungoceras valcourense Flower
1964Ellesmeroceratidae Flower p. 37
1964Ellesmeroceratidae Teichert et al. p. 134
1981Ellesmeroceratidae Crick p. 227
1984Oneoceratidae Dzik
2005Ellesmeroceratidae Kröger and Mutvei p. 782
2007Ellesmeroceratidae Kröger and Landing
2009Ellesmeroceratidae Kröger and Landing
2011Ellesmeroceratidae Evans

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
orderEllesmerocerida()
familyEllesmeroceratidaeKobayashi 1934
familyEllesmeroceratidaeKobayashi 1934

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Fm. †Ellesmeroceratidae Kobayashi 1934
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G. †Albertoceras Ulrich and Foerste 1936
+
†Albertoceras gracillimum Ulrich et al. 1944
†Albertoceras minimum Ulrich et al. 1944
†Albertoceras staufferi Ulrich et al. 1944
†Albertoceras walcotti Ulrich and Foerste 1936
G. †Annoceras Flower 1964
+
†Annoceras costatum Flower 1964
+
Invalid names: Annoceras elevatum Flower 1964 [synonym], Annoceras perobliquum Foerste 1964 [synonym], Ellesmeroceras angulatum Flower 1964 [synonym], Ellesmeroceras fusiforme Flower 1964 [synonym], Ellesmeroceras imbricatum Flower 1964 [synonym], Ellesmeroceras progressum Flower 1964 [synonym], Eremoceras magnum Flower 1964 [synonym], Eremoceras perseptatum Flower 1964 [synonym]
†Annoceras multicameratum Flower 1964
†Annoceras vernonense Ulrich et al. 1943
G. †Barnesoceras Flower 1964
+
†Barnesoceras clavatum Flower 1964
†Barnesoceras expansum Flower 1964
†Barnesoceras lamellosum Flower 1964
†Barnesoceras percurvatum Flower 1964
†Barnesoceras transversum Flower 1964
G. †Bassleroceras Ulrich and Foerste 1936
+
†Bassleroceras acinacellum Whitfield 1886
†Bassleroceras alethes Billings 1865
†Bassleroceras beekmanense Whitfield 1889
†Bassleroceras bridgei Ulrich et al. 1944
†Bassleroceras champlainense Kröger and Landing 2008
†Bassleroceras dalevillense Ulrich et al. 1944
†Bassleroceras kayi Ulrich et al. 1944
†Bassleroceras kirbyi Whitfield 1889
†Bassleroceras lasallense Ulrich et al. 1944
†Bassleroceras perseus Billings 1865
†Bassleroceras smithbasinense Kröger and Landing 2008
†Bassleroceras tenuiculum Ulrich et al. 1944
†Bassleroceras triangulum Kröger and Landing 2008
†Bassleroceras vassarina Dwight 1884
G. †Boreoceras Miller and Youngquist 1947
+
†Boreoceras brevicameratum Miller and Youngquist 1947
†Boreoceras cloudi Miller and Youngquist 1947
†Boreoceras ovale Flower 1964
†Boreoceras parvulum Miller and Youngquist 1947
†Boreoceras washburni Miller and Youngquist 1947
G. †Botellusoceras Kröger and Mutvei 2005
+
†Botellusoceras torpense Kröger and Mutvei 2005
G. †Bridgeoceras Ulrich et al. 1943
+
†Bridgeoceras subannulatum Ulrich et al. 1943
G. †Buehleroceras Ulrich et al. 1943
+
†Buehleroceras apertum Ulrich et al. 1943
†Buehleroceras compressum Ulrich et al. 1943
G. †Burenoceras Ulrich and Foerste 1931
+
†Burenoceras angulare Ulrich et al. 1943
†Burenoceras compressum Ulrich et al. 1943
†Burenoceras cornucopia Flower 1964
†Burenoceras curticei Ulrich et al. 1943
†Burenoceras dickhauti Ulrich et al. 1943
†Burenoceras dilatatum Ulrich et al. 1943
†Burenoceras expandum Ulrich and Foerste 1931
†Burenoceras huzzahense Ulrich et al. 1943
†Burenoceras minor Ulrich et al. 1943
†Burenoceras muricoides Flower 1964
†Burenoceras oneotense Ulrich et al. 1943
†Burenoceras peramplum Ulrich et al. 1943
†Burenoceras percompressum Ulrich et al. 1943
†Burenoceras planiseptatum Ulrich et al. 1943
†Burenoceras pumilum Ulrich et al. 1943
†Burenoceras texanum Ulrich et al. 1943
†Burenoceras undosum Ulrich et al. 1943
†Burenoceras ungulatum Ulrich et al. 1943
G. †Caseoceras Ulrich et al. 1943
+
†Caseoceras conicum Ulrich et al. 1943
†Caseoceras contractum Ulrich et al. 1943
†Caseoceras holtedahli Foerste 1921
†Caseoceras intermedium Ulrich et al. 1943
†Caseoceras nitidum Ulrich et al. 1943
†Caseoceras obesum Flower 1964
†Caseoceras sequatchiense Ulrich et al. 1943
†Caseoceras subconicum Ulrich et al. 1943
G. †Chepuloceras Unklesbay and Young 1956
+
†Chepuloceras inelegans Unklesbay and Young 1956
G. †Clarkoceras Ruedemann 1905
+
†Clarkoceras affine Ulrich et al. 1943
†Clarkoceras arcuatum Ulrich et al. 1943
†Clarkoceras buttsi Ulrich et al. 1943
†Clarkoceras calvini Ulrich et al. 1943
†Clarkoceras cinctum Ulrich et al. 1943
†Clarkoceras clelandi Ulrich et al. 1943
†Clarkoceras confertum Ulrich et al. 1943
†Clarkoceras corniculum Sardeson 1896
†Clarkoceras crassum Ulrich et al. 1943
†Clarkoceras cuneatum Ulrich et al. 1943
†Clarkoceras curvatum Ulrich et al. 1943
†Clarkoceras expansum Ulrich et al. 1943
†Clarkoceras gracile Ulrich et al. 1943
†Clarkoceras huzzahense Ulrich et al. 1943
†Clarkoceras inconstans Ulrich et al. 1943
†Clarkoceras jasperense Ulrich et al. 1943
†Clarkoceras lawrencense Ulrich et al. 1943
†Clarkoceras levisense Ulrich et al. 1943
†Clarkoceras luthei Calvin 1892
†Clarkoceras luthei Ulrich et al. 1943
†Clarkoceras magnisiphonatum Ulrich et al. 1943
†Clarkoceras minneiskense Ulrich et al. 1943
†Clarkoceras modestum Ulrich et al. 1943
†Clarkoceras mohawkense Ulrich et al. 1943
†Clarkoceras multicameratum Ulrich et al. 1943
+
Invalid names: Clarkoceras claytonense Powell 1935 [synonym]
†Clarkoceras parvisiphonatum Ulrich et al. 1943
†Clarkoceras rectum Ulrich et al. 1943
†Clarkoceras ruedemanni Flower 1964
†Clarkoceras ruguliferum Ulrich et al. 1943
†Clarkoceras subarcuatum Ulrich et al. 1943
†Clarkoceras subcrassum Ulrich et al. 1943
†Clarkoceras subrectum Ulrich et al. 1943
†Clarkoceras vicinum Ulrich et al. 1943
†Clarkoceras whitehallense Ulrich et al. 1943
G. †Clelandoceras Ulrich et al. 1944
+
†Clelandoceras elongatum Ulrich et al. 1944
†Clelandoceras rarum Flower 1964
G. †Conocerina Ulrich and Foerste 1936
+
†Conocerina arrecta Ulrich et al. 1943
†Conocerina bassleri Ulrich et al. 1943
†Conocerina beani Ulrich et al. 1943
†Conocerina brevis Ulrich and Foerste 1936
†Conocerina magna Ulrich et al. 1943
†Conocerina missouriensis Ulrich et al. 1943
†Conocerina obliqua Ulrich et al. 1943
†Conocerina raaschi Ulrich et al. 1943
†Conocerina sublonga Ulrich et al. 1943
†Conocerina unguloides Flower 1964
G. †Copiceras Ulrich et al. 1944
+
†Copiceras erectum Ulrich et al. 1944
G. †Cumberloceras Ulrich et al. 1943
+
†Cumberloceras buttsi Ulrich et al. 1943
†Cumberloceras elwayense Ulrich et al. 1943
G. †Dakeoceras Ulrich and Foerste 1931
+
†Dakeoceras champlainense Kröger and Landing 2007
†Dakeoceras corniculum Ulrich et al. 1943
†Dakeoceras dilatatum Ulrich et al. 1943
†Dakeoceras divergens Ulrich et al. 1943
†Dakeoceras gracilis Flower 1964
†Dakeoceras harrisi Flower 1964
†Dakeoceras magnisiphonatum Ulrich et al. 1943
†Dakeoceras mutabile Flower 1964
†Dakeoceras normale Ulrich and Foerste 1931
†Dakeoceras perretrorsum Ulrich et al. 1943
†Dakeoceras retrorsum Ulrich et al. 1943
†Dakeoceras reversum Ulrich et al. 1943
†Dakeoceras subcurvatum Ulrich and Foerste 1931
†Dakeoceras undulatum Ulrich et al. 1943
G. †Diaphoroceras Ulrich et al. 1944
+
†Diaphoroceras avaense Ulrich et al. 1944
†Diaphoroceras belli Ulrich et al. 1944
†Diaphoroceras buffaloense Ulrich et al. 1944
G. †Dyscritoceras Ulrich and Foerste 1936
+
†Dyscritoceras dictys Billings 1865
†Dyscritoceras metellus Billings 1865
†Dyscritoceras oxfordense Ulrich et al. 1944
G. †Ectenoceras Ulrich and Foerste 1936
+
†Ectenoceras arbucklense Ulrich et al. 1943
†Ectenoceras arcuosutum Ulrich et al. 1943
†Ectenoceras chepultepecense Ulrich et al. 1943
†Ectenoceras compressum Ulrich et al. 1943
†Ectenoceras curvatum Kobayashi 1931
†Ectenoceras ellipticum Ulrich et al. 1943
†Ectenoceras exile Ulrich et al. 1943
†Ectenoceras gracile Cleland 1903
†Ectenoceras higdonense Ulrich et al. 1943
†Ectenoceras laqueatum Ulrich et al. 1943
†Ectenoceras longum Ulrich et al. 1943
†Ectenoceras millsi Ulrich et al. 1943
†Ectenoceras obliquum Ulrich et al. 1943
†Ectenoceras pergracile Ulrich et al. 1943
†Ectenoceras perobliquum Ulrich et al. 1943
†Ectenoceras ruedemanni Kobayashi 1933
†Ectenoceras subcurvatum Ulrich et al. 1943
†Ectenoceras subcurvatum Kobayashi 1933
†Ectenoceras subgracile Ulrich and Foerste 1936
G. †Ectenolites Ulrich and Foerste 1935
+
†Ectenolites clelandi Ulrich et al. 1944
+
Invalid names: Bassleroceras clelandi Ulrich et al. 1944 [synonym], Ectenolites penecilin Flower 1964 [synonym]
†Ectenolites extensus Flower 1964
†Ectenolites primus Flower 1964
†Ectenolites sinuatus Flower 1964
+
Invalid names: Ectenolites simplex Flower 1964 [synonym]
†Ectenolites subgracilis Ulrich and Foerste 1935
G. †Ellesmeroceras Foerste 1921
+
†Ellesmeroceras bridgei Flower 1941
†Ellesmeroceras elongatum Kobayashi 1931
†Ellesmeroceras expansum Flower 1941
†Ellesmeroceras higdonense Ulrich et al. 1944
†Ellesmeroceras hotchkissi Ulrich et al. 1944
†Ellesmeroceras indomitum Kröger and Landing 2007
†Ellesmeroceras luthei Ulrich et al. 1944
†Ellesmeroceras scheii Foerste 1921
†Ellesmeroceras thomasi Ulrich et al. 1944
†Ellesmeroceras winonicum Sardeson 1896
Invalid names: Ellesmeroceras (Metaellesmeroceras) Flower 1956 [invalid subgroup]
G. †Eorudolfoceras Kröger and Landing 2007
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†Eorudolfoceras antiquum Flower 1964
†Rudolfoceras praenuntium Flower 1964
G. †Eremoceras Hyatt 1884
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†Eremoceras conoidale Ulrich et al. 1943
†Eremoceras difficile Ulrich et al. 1943
†Eremoceras gasconadense Ulrich et al. 1943
†Eremoceras luthei Ulrich et al. 1943
†Eremoceras marylandicum Ulrich et al. 1943
†Eremoceras perdilatum Ulrich et al. 1943
†Eremoceras subrectum Ulrich et al. 1943
†Eremoceras syphax Billings 1865
†Eremoceras teres Ulrich et al. 1943
†Eremoceras vernonense Ulrich et al. 1943
G. †Hemichoanella Teichert and Glenister 1954
G. †Lebetoceras Teichert and Glenister 1954
G. †Levisoceras Foerste 1925
+
†Levisoceras arctedorsatum Ulrich et al. 1943
†Levisoceras belli Ulrich et al. 1943
†Levisoceras complanatum Ulrich et al. 1943
†Levisoceras constrictum Ulrich et al. 1943
†Levisoceras contractum Flower 1964
†Levisoceras curvatum Ulrich et al. 1943
†Levisoceras edwardsi Ulrich et al. 1943
†Levisoceras ellipticum Ulrich et al. 1943
†Levisoceras instabile Ulrich et al. 1943
†Levisoceras mercurius Billings 1865
†Levisoceras obliquatum Ulrich et al. 1943
†Levisoceras percurvatum Ulrich et al. 1943
†Levisoceras raaschi Ulrich et al. 1943
†Levisoceras subgracile Ulrich et al. 1943
†Levisoceras transitum Ulrich et al. 1943
G. †Llanoceras Flower 1964
+
†Llanoceras gracile Flower 1964
G. †Loxochoanella Teichert and Glenister 1954
G. †Muriceras Flower 1964
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†Muriceras anomalum Flower 1964
†Muriceras curviseptatum Flower 1964
†Muriceras gracile Flower 1964
†Muriceras hebetum Flower 1964
†Muriceras micromurus Flower 1964
†Muriceras moderatum Flower 1964
†Muriceras murus Flower 1964
†Muriceras obscurum Flower 1964
G. †Oelandoceras Foerste 1932
+
G. †Oneotoceras Ulrich 1926
+
†Oneotoceras curvatum Ulrich et al. 1943
†Oneotoceras divaricatum Ulrich et al. 1943
†Oneotoceras extremum Ulrich et al. 1943
†Oneotoceras husseyi Ulrich et al. 1943
†Oneotoceras impressum Ulrich et al. 1943
†Oneotoceras loculosum Hall 1861
†Oneotoceras madisonense Ulrich et al. 1943
†Oneotoceras magnum Ulrich et al. 1943
†Oneotoceras percurvatum Ulrich et al. 1943
†Oneotoceras wisconsinense Ulrich et al. 1943
G. †Pachendoceras Ulrich and Foerste 1936
+
†Pachendoceras brevicameratum Unklesbay and Young 1956
†Pachendoceras confertum Ulrich et al. 1944
†Pachendoceras parvum Unklesbay and Young 1956
G. †Quebecoceras Foerste 1925
G. †Robsonoceras Ulrich and Foerste 1933
+
†Robsonoceras manitouense Ulrich et al. 1944
†Robsonoceras robsonense Walcott 1924
G. †Shantungendoceras Sun 1937
G. †Smithvilloceras Ulrich et al. 1943
+
†Smithvilloceras thompsoni Ulrich et al. 1943
G. †Stemtonoceras Ulrich and Foerste 1936
+
†Stemtonoceras elongatum Ulrich and Foerste 1936
G. †Ventroloboceras Teichert and Glenister 1954
G. †Walcottoceras Ulrich and Foerste 1936
+
†Walcottoceras monsense Walcott 1924
†Walcottoceras obliquum Ulrich et al. 1944
G. †Woosteroceras Ulrich et al. 1944
+
†Woosteroceras chepultepecense Unklesbay and Young 1956
†Woosteroceras cherokeense Ulrich et al. 1944
†Woosteroceras spirale Flower 1964
†Woosteroceras trempealeauense Ulrich et al. 1944
Invalid names: Oneoceratidae Dzik 1984 [invalid subgroup], Wolungoceras valcourense Flower 1964 [nomen dubium]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Grouping: solitaryo
Environment: marineo
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivorec
Vision: well-developedc
Created: 2005-10-06 14:32:52
Modified: 2007-09-07 11:44:36
Source: o = order, c = class
References: Aberhan et al. 2004, Kiessling 2004

Age range: base of the Cressagian to the top of the Early/Lower Llanvirn or 486.50000 to 461.10000 Ma

Collections (194 total)


Time interval Ma Country or state Original ID and collection number
Taoyuanian - Niuchehean498.5 - 485.4China (Zhejiang) Ectenolites longicollum, Walcottoceras pauciannulatum (125669)
Furongian497.0 - 485.4China (Zhejiang) Ectenolites primus, Ectenolites penecilin (233233)
Trempealeauan492.5 - 485.4USA (Texas) Ectenolites primus (88784)
Niuchehean489.5 - 485.4China (Zhejiang) Anhuiceras elongatum, Anhuiceras duibianense, Anhuiceras distenoseptum, Dongshanoceras jiangshanense, Ectenolites abnormis, Ectenolites sinensis, Ectenolites longiconica, Ectenolites mirabilis, Walcottoceras delicatum, Ectenolites primus, Ectenolites penecilin (125704)
Niuchehean489.5 - 485.4China (Hunan) Chabactoceras ciliense (107333)
Skullrockian487.5 - 482.3Canada (Alberta) Ellesmeroceras robsonensis, Endoceras monsensis (157027)
Skullrockian487.5 - 482.3USA (New York) Annoceras costatum (87456 87523) Annoceras costatum, Annoceras multicameratum, Clarkoceras ruedemanni, Ectenolites clelandi, Ectenolites sinuatus, Ectenolites extensus, Eorudolfoceras sp., Eorudolfoceras antiquum, Eremoceras teres (87318) Annoceras costatum, Dakeoceras champlainense (89489) Annoceras costatum, Eorudolfoceras sp. (87524) Annoceras costatum, Eorudolfoceras sp., Eorudolfoceras antiquum (87451) Bassleroceras clelandi, Eorudolfoceras sp., Eorudolfoceras antiquum (87320) Dakeoceras gracilis (87319) Dakeoceras harrisi (88873) Dakeoceras sp., Caseoceras obesum (88887) Ellesmeroceras sp. (87454)
Skullrockian487.5 - 482.3United Kingdom (Scotland) Dakeoceras sp., Ellesmeroceras sp. (188569) Ellesmeroceras sp., Ellesmeroceratidae indet. (188583)
Skullrockian - Stairsian487.5 - 478.6USA (Tennessee) Burenoceras peramplum (189308) Burenoceras ungulatum, Clarkoceras parvisiphonatum (189321) Clarkoceras buttsi, Cumberloceras buttsi (189330) Ectenoceras millsi (189363) Levisoceras instabile (189371) Oneotoceras percurvatum (189395)
Skullrockian - Stairsian487.5 - 478.6USA (New York) Clarkoceras whitehallense (189343)
Skullrockian - Stairsian487.5 - 478.6USA (Alabama) Ectenoceras chepultepecense, Oneotoceras percurvatum (189326) Levisoceras instabile (189370)
Cressagian486.5 - 482.0South Korea (Hwanghae-namdo) Burenoceras reticulatum, Ellesmeroceras foerstei, Ectenoceras ruedemanni, Ectenoceras curvatum, Ectenoceras subcurvatum (39398)
Tremadoc486.5 - 477.7USA (Virginia) Clarkoceras sp., Dakeoceras sp. (6971)
Tremadoc486.5 - 477.7China (JiangSu) Ellesmeroceras sp. (7920)
Tremadoc486.5 - 477.7China (Hunan) Ellesmeroceras sp. (7703)
Tremadoc486.5 - 477.7China (HeBei) Barnesoceras sp., Cumberloceras sp., Dakeoceras sp., Ectenolites sp., Woosteroceras sp. (7978) Ectenolites sp., Ellesmeroceras sp. (7958) Ellesmeroceras sp. (7983)
Tremadoc486.5 - 477.7Argentina Purmanarcoceras sp., Robsonoceras sp., Clarkeoceras sp. (9010)
Tremadoc486.5 - 477.7USA (Missouri) Clarkoceras sp., Oneotoceras sp. (8941) Pachendoceras huzzahense (8940)
Tremadoc486.5 - 477.7Russian Federation (Evenkiyskiy Avtonomnyy Okrug) Ellesmeroceras elongatum (87219)
Tremadoc486.5 - 477.7China (Guizhou) Lebetoceras sp. (4771)
Tremadoc486.5 - 477.7China (Hubei) Clarkoceras sp., Dakeoceras sp. (4742)
Demingian485.4 - 478.6USA (Tennessee) Levisoceras transitum, Caseoceras conicum, Caseoceras sequatchiense, Clarkoceras curvatum, Clarkoceras jasperense, Conocerina obliqua, Ectenoceras arcuosutum, Levisoceras raaschi (154344)
Demingian485.4 - 478.6Canada (Newfoundland) Bassleroceras sp. (196501)
Demingian485.4 - 478.6USA (New Mexico) Muriceras obscurum (88827 88829)
Demingian485.4 - 478.6USA (Virginia) Conocerina sp., Dakeoceras sp., Ectenoceras sp., Levisoceras sp. 1, Levisoceras sp. 2 (56651)
Demingian485.4 - 478.6USA (New York) Buehleroceras arcuatum, Buehleroceras infundibulum, Conocerina reducta, Ectenolites curviseptatus, Eremoceras expansum, Eremoceras multicameratum, Keraiaceras percostatum, Levisoceras sp., Paradakeoceras minor, Paradakeoceras planiventrum, Walcottoceras sp., Clarkeoceras rhomboidale, Clarkeoceras sp., Annoceras costatum, Annoceras elevatum, Ellesmeroceras angulatum, Ellesmeroceras fusiforme, Ellesmeroceras imbricatum, Ellesmeroceras indomitum, Ellesmeroceras progressum, Eremoceras magnum, Eremoceras perseptatum, Clarkeoceras ruedemanni, Ectenolites penecilin, Ectenolites sinuatus, Ectenolites simplex (427)
Demingian485.4 - 478.6Canada (Newfoundland and Labrador) Bassleroceras sp. (56149 106198)
Stairsian485.4 - 478.6USA (Virginia) Bassleroceras bridgei (101294) Cumberloceras elwayense (101387)
Stairsian485.4 - 478.6USA (New York) Bassleroceras champlainense (89490) Bassleroceras sp. (289) Bassleroceras sp., Ectenolites sp., Bassleroceras champlainense, Bassleroceras smithbasinense, Bassleroceras triangulum, Bassleroceras vassarina (89491) Cyrtoceras vassarina, Bassleroceras microscopium, Bassleroceras spissiseptum (89492) Orthoceras perseus (42799)
Stairsian485.4 - 478.6Canada (British Columbia) Ellesmeroceras robsonensis, Endoceras monsensis (88872)
Stairsian485.4 - 478.6United Kingdom (Scotland) Dyscritoceras sp. (188684 188685 188687)
Stairsian485.4 - 478.6Canada (Newfoundland) Bassleroceras sp. (196438)
Stairsian485.4 - 478.6USA (Vermont) Cyrtoceras kirbyi (56488)
Gasconadian485.4 - 477.7USA (Texas) Burenoceras dilatatum (189302) Burenoceras dilatatum, Burenoceras peramplum (189303) Burenoceras oneotense (189307) Burenoceras phragmoceroides, Conocerina unguloides (88808) Burenoceras sp., Clarkoceras sp., Conocerina sp., Ectenoceras sp., Levisoceras sp., Oneotoceras sp. (271) Burenoceras texanum (189312) Dakeoceras mutabile (88874) Ectenoceras longum, Woosteroceras cherokeense, Clarkoceras inconstans, Clarkoceras ruguliferum, Conocerina arrecta, Conocerina magna, Conocerina obliqua, Ectenoceras pergracile, Levisoceras subgracile (56498) Ellesmeroceras sp., Barnesoceras clavatum, Barnesoceras expansum, Barnesoceras lamellosum, Barnesoceras lentiexpansum, Barnesoceras conosiphonatum, Barnesoceras percurvatum, Barnesoceras transversum, Burenoceras cornucopia, Burenoceras muricoides, Muriceras murus, Muriceras micromurus, Muriceras anomalum, Muriceras gracile, Muriceras curviseptatum, Muriceras hebetum, Muriceras moderatum, Woosteroceras flexiseptatum, Woosteroceras percurvatum, Woosteroceras spirale, Llanoceras gracile, Levisoceras contractum, Conocerina brevis, Clarkeoceras luthei (88805) Levisoceras sp. (189373)
Gasconadian485.4 - 477.7USA (Missouri) Burenoceras huzzahense (157091) Burenoceras percompressum (189309) Burenoceras pumilum, Dakeoceras perretrorsum (154357) Caseoceras subconicum (189323) Clarkoceras affine, Clarkoceras arcuatum, Clarkoceras crassum, Clarkoceras subcrassum (189327) Conocerina brevis, Clarkoceras arcuatum, Clarkoceras cinctum, Clarkoceras confertum, Clarkoceras cuneatum, Clarkoceras huzzahense, Clarkoceras magnisiphonatum, Clarkoceras subarcuatum, Clarkoceras subcrassum, Clarkoceras subrectum, Clarkoceras vicinum, Conocerina sublonga, Eremoceras gasconadense, Eremoceras perdilatum, Eremoceras subrectum, Levisoceras obliquatum, Levisoceras percurvatum (189328) Dakeoceras dilatatum (189355 189356) Dakeoceras normale, Burenoceras pumilum (189299) Dakeoceras normale, Burenoceras pumilum, Burenoceras angulare, Burenoceras compressum, Burenoceras dickhauti, Burenoceras expandum, Dakeoceras dilatatum, Dakeoceras subcurvatum, Dakeoceras undulatum, Ectenoceras ellipticum (189298) Dakeoceras normale, Dakeoceras corniculum, Dakeoceras dilatatum, Dakeoceras divergens, Dakeoceras magnisiphonatum, Dakeoceras perretrorsum (189357) Ellesmeroceras higdonense, Caseoceras subconicum, Ectenoceras higdonense (101764) Eremoceras conoidale (189365)
Gasconadian485.4 - 477.7USA (Oaklahoma) Conocerina beani, Levisoceras obliquatum (189354)
Gasconadian485.4 - 477.7USA (Alaska) Ellesmeroceras sp. (88802 101836 101848) Ellesmeroceratidae indet. (101831 101843)
Gasconadian485.4 - 477.7USA (Virginia) Levisoceras ellipticum, Levisoceras instabile (73292) Levisoceras ellipticum, Levisoceras instabile, Levisoceras transitum, Ectenoceras chepultepecense, Ectenoceras compressum, Ectenoceras exile, Ectenoceras longum, Woosteroceras chepultepecense, Pachendoceras brevicameratum, Pachendoceras parvum, Bassleroceras bridgei, Chepuloceras inelegans, Clelandoceras elongatum (73291)
Gasconadian485.4 - 477.7Canada (Nunavut) Ellesmeroceras scheii, Caseoceras holtedahli (88785)
Gasconadian485.4 - 477.7USA (Utah) Endoceras monsensis (157036)
Gasconadian485.4 - 477.7USA (New Mexico) Dakeoceras sp. (88875) Dakeoceras sp., Ellesmeroceras sp. (88804)
Gasconadian485.4 - 477.7USA (New York) Buehleroceras infundibulum, Buehleroceras arcuatum, Buehleroceras sinuatum, Conocerina reducta, Ectenolites curviseptatus, Ellesmeroceras inbricatum, Eremoceras expansum, Eremoceras multicameratum, Paradakeoceras planiventrum, Clarkeoceras rhomboidale, Clarkeoceras trapezoidale, Annoceras costatum, Annoceras elevatum, Annoceras perobliquum, Ellesmeroceras fusiforme, Ellesmeroceras indomitum, Ellesmeroceras progressum, Eremoceras magnum, Eremoceras perseptatum, Clarkeoceras ruedemanni, Ectenolites penecilin, Ectenolites sinuatus, Ectenolites simplex (56487) Clarkoceras clelandi (119377) Clarkoceras sp., Ectenoceras sp., Ellesmeroceras sp. (273)
Gasconadian485.4 - 477.7Canada (Alberta) Ellesmeroceras robsonensis, Endoceras monsensis (157026)
Tremadocian485.4 - 477.7USA (Minnesota) Burenoceras cornucopiaforme (189300) Clarkoceras gracile (189336) Clarkoceras newtonwinchelli (189324) Clarkoceras newtonwinchelli, Burenoceras curticei, Clarkoceras minneiskense, Levisoceras obliquatum, Levisoceras subgracile (189301) Clarkoceras newtonwinchelli, Ellesmeroceras winonicum, Burenoceras cornucopiaforme, Clarkoceras corniculum, Clarkoceras gracile, Clarkoceras luthei, Levisoceras curvatum (101766) Clarkoceras newtonwinchelli, Eremoceras teres, Clarkoceras gracile (189325) Oneotoceras loculosum (189392)
Tremadocian485.4 - 477.7USA (Iowa) Clarkoceras newtonwinchelli, Eremoceras teres, Ellesmeroceras luthei, Ellesmeroceras thomasi, Buehleroceras compressum, Buehleroceras apertum, Clarkoceras calvini, Clarkoceras luthei, Conocerina beani, Eremoceras luthei (101765)
Tremadocian485.4 - 477.7USA (Virginia) Conocerina sp., Dakeoceras sp., Ectenoceras sp., Levisoceras sp., Robsonoceras sp. (78881)
Tremadocian485.4 - 477.7USA (Pennsylvania) Eremoceras teres, Stemtonoceras elongatum (101015) Levisoceras ellipticum (189369)
Tremadocian485.4 - 477.7USA (Missouri) Burenoceras pumilum (189297) Burenoceras undosum, Burenoceras ungulatum (189313) Clarkoceras arcuatum, Clarkoceras subarcuatum, Eremoceras perdilatum, Eremoceras subrectum (189329) Clarkoceras inconstans, Dakeoceras reversum, Oneotoceras loculosum (189337) Clarkoceras modestum, Conocerina beani, Conocerina missouriensis, Eremoceras subrectum (189340) Clarkoceras multicameratum (189341) Clarkoceras newtonwinchelli (154358) Clarkoceras rectum (189342) Conocerina arrecta, Eremoceras gasconadense (189344) Dakeoceras normale, Burenoceras pumilum, Dakeoceras retrorsum, Dakeoceras subcurvatum (189294) Ectenoceras exile (189359) Ectenoceras subgracile (189364) Levisoceras complanatum (189366) Levisoceras instabile, Ectenoceras compressum, Dakeoceras reversum, Ectenoceras laqueatum, Oneotoceras percurvatum (189358) Levisoceras obliquatum (189372) Oneotoceras percurvatum (189394)
Tremadocian485.4 - 477.7Canada (Alberta) Clarkoceras sp. (189399)
Tremadocian485.4 - 477.7USA (Alabama) Levisoceras complanatum (189367)
Tremadocian485.4 - 477.7USA (Maryland) Oneotoceras sp., Conocerina bassleri, Conocerina beani, Ectenoceras perobliquum, Eremoceras marylandicum, Levisoceras arctedorsatum (189353)
Tremadocian485.4 - 477.7USA (Michigan) Caseoceras contractum, Caseoceras intermedium, Caseoceras nitidum, Oneotoceras curvatum, Oneotoceras divaricatum, Oneotoceras husseyi, Oneotoceras impressum, Oneotoceras magnum (189322)
Tremadocian485.4 - 477.7Canada (Nunavut) Boreoceras washburni (88893) Boreoceras washburni, Boreoceras brevicameratum, Boreoceras ovale, Boreoceras cloudi (88892) Boreoceras washburni, Boreoceras brevicameratum, Boreoceras ovale, Boreoceras cloudi, Boreoceras parvulum (88891)
Tremadocian485.4 - 477.7USA (New York) Clarkoceras clelandi (189333) Clarkoceras mohawkense (189334) Ectenoceras gracile (189360 189361 189362)
Tremadocian485.4 - 477.7China (Zhejiang) Ellesmeroceras sp. (64594)
Tremadocian485.4 - 477.7USA (Wisconsin) Buehleroceras compressum (189289) Burenoceras planiseptatum (189310) Clarkoceras expansum, Clarkoceras gracile, Clarkoceras luthei (189335) Clarkoceras newtonwinchelli, Buehleroceras compressum (189288) Dakeoceras vernonense, Clarkoceras luthei, Conocerina obliqua (189339) Eremoceras teres, Buehleroceras compressum, Burenoceras curticei, Burenoceras minor, Clarkoceras calvini, Clarkoceras luthei, Ectenoceras obliquum, Eremoceras vernonense, Levisoceras constrictum, Levisoceras edwardsi (189290) Levisoceras ellipticum, Buehleroceras apertum, Burenoceras oneotense, Burenoceras ungulatum (189293) Levisoceras ellipticum, Levisoceras instabile, Levisoceras curvatum, Levisoceras obliquatum, Levisoceras raaschi (189368) Levisoceras instabile, Burenoceras minor (189305) Oneotoceras extremum, Oneotoceras madisonense (189393) Oneotoceras loculosum (189391) Oneotoceras wisconsinense (189396) Woosteroceras trempealeauense, Ellesmeroceras hotchkissi (101016)
Stairsian - Tulean485.4 - 474.9United Kingdom (Scotland) Bassleroceras sp. (188689)
Early/Lower Ordovician485.4 - 470.0USA (Texas) Burenoceras sp. (283)
Early/Lower Ordovician485.4 - 470.0Svalbard and Jan Mayen Oneotoceras sp., Oneotoceras loculosum (212927)
Canadian485.4 - 457.3USA (Maryland) Dakeoceras sp., Ellesmeroceras sp. (274)
Cassinian482.3 - 470.0USA (Missouri) Dyscritoceras jeffersonensis (56439)
Cassinian482.3 - 470.0Canada (Quebec) Bassleroceras alethes, Diaphoroceras belli, Dyscritoceras metellus, Dyscritoceras dictys, Bridgeoceras subannulatum, Clarkoceras lawrencense, Clarkoceras levisense, Eremoceras syphax, Levisoceras mercurius, Levisoceras belli (101017) Bassleroceras perseus (99224) Clarkoceras lawrencense (189338)
Cassinian482.3 - 470.0USA (New York) Bassleroceras beekmanense, Bassleroceras kirbyi (42782 101293)
Cassinian482.3 - 470.0USA (Texas) Clelandoceras rarum (88776)
Cassinian482.3 - 470.0USA (Vermont) Cyrtoceras acinacellum (42793)
Cassinian482.3 - 470.0USA (Illinois) Bassleroceras lasallense (101296)
Tulean - Blackhillsian480.8 - 470.0United Kingdom (Scotland) Bassleroceras sp. (188724) Diaphoroceras sp. (188737)
Tulean - Blackhillsian480.8 - 470.0USA (Missouri) Cumberloceras elwayense (98451) Diaphoroceras avaense (98444) Diaphoroceras buffaloense (98446)
Tulean - Blackhillsian480.8 - 470.0USA (Oklahoma) Diaphoroceras sp. (101298)
Tulean - Blackhillsian480.8 - 470.0USA (Virginia) Bassleroceras dalevillense (101295)
Arenig478.6 - 466.0China (XinJiang) Ellesmeroceras sp., Muriceras sp. (20806)
Arenig478.6 - 466.0China (HeBei) Dakeoceras sp., Ellesmeroceras sp. (7972 7975)
Arenig478.6 - 466.0Bolivia Pachendoceras sp. (8843 8845 8846 9111)
Arenig478.6 - 466.0China (ShanDong) Bassleroceras sp. (20773)
Arenig - Early/Lower Llanvirn478.6 - 461.1Argentina Oelandoceras sp., Robsonoceras sp. (8720)
Floian477.7 - 470.0Russian Federation (Siberia) Ellesmeroceras elongatum (206297)
Floian477.7 - 470.0USA (Oklahoma) Albertoceras minimum, Ectenoceras arbucklense (101760)
Floian477.7 - 470.0USA (Arkansas) Copiceras erectum (99877) Smithvilloceras thompsoni (99878 100039)
Floian477.7 - 470.0Canada (Ontario) Dyscritoceras oxfordense (101383)
Blackhillsian474.9 - 470.0USA (Colorado) Robsonoceras manitouense (102276)
Hunderum - Valaste471.8 - 466.0Sweden (Kalmar) Botellusoceras torpense (89251) Oelandoceras haelluddenense (89246)
Llanvirn468.0 - 458.4South Korea (Kangwon-do) Robsonoceras meridionale (56171)
Late/Upper Llanvirn463.5 - 460.9China (HeBei) Shantungendoceras sp. (7988)