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Paleoloricata

Polyplacophora

Synonymy list
YearName and author
1955Paleoloricata Bergenhayn
1973Paleoloricata Smith p. 6
2002Paleoloricata Hoare p. 570
2002Paleoloricata Sepkoski
2006Paleoloricata Hoare and Pojeta p. 2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
—Serialia
classPolyplacophorade Blainville 1816
subclassPaleoloricata()
subclassPaleoloricata()

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.

Subcl. †Paleoloricata Bergenhayn 1955
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G. †Alastega Cherns 1998
+
†Alastega lira Cherns 1998
†Alastega martini Hoare and Pojeta 2006
G. †Arctoplax Cherns 1998
+
†Arctoplax ornata Cherns 1998
Fm. †Aulochitonidae Pojeta et al. 2010
+
G. †Aulochiton Pojeta et al. 2010
+
†Aulochiton sannerae Pojeta et al. 2010
G. †Bursata
Subor. †Chelodina Bergenhayn 1960
+
Fm. †Gotlandochitonidae Bergenhayn 1955
+
G. †Eochiton Smith and Toomey 1964
+
†Eochiton arbucklensis Smith and Toomey 1964
G. †Gotlandochiton Bergenhayn 1955
+
†Gotlandochiton hami Smith and Toomey 1964
†Gotlandochiton interplicatus Bergenhayn 1955
G. †Ivoechiton Bergenhayn 1955
+
†Ivoechiton calathicolus Smith and Toomey 1964
†Ivoechiton levis Bergenhayn 1955
†Ivoechiton oklahomensis Smith and Toomey 1964
G. †Paleochiton Smith and Toomey 1964
+
†Paleochiton kindbladensis Smith and Toomey 1964
Fm. †Helminthochitonidae Van Belle 1975
+
G. †Diadelochiton Hoare 2002
+
†Diadelochiton recavus Hoare 2002
G. †Helminthochiton Salter 1846
+
†Helminthochiton papilio Whidborne 1892
†Helminthochiton riddlei Frederickson 1962
†Helminthochiton simplex Raymond 1910
Fm. †Preacanthochitonidae Bergenhayn 1960
+
G. †Listrochiton Hoare and Pojeta 2006
+
†Listrochiton productus Bergenhayn 1960
†Listrochiton weiri Hoare and Pojeta 2006
G. †Orthriochiton Vendrasco and Runnegar 2004
+
†Orthriochiton utahensis Vendrasco and Runnegar 2004
Fm. †Scanochitonidae Bergenhayn 1955
+
+
†Haeggochiton haeggi Bergenhayn 1955
+
†Olingechiton triangulatus Bergenhayn 1943
+
†Scanochiton jugatus Bergenhayn 1943
Fm. †Septemchitonidae Bergenhayn 1955
+
G. †Sarkachiton Dzik 1994
+
G. †Cobcrephora Bischoff 1981
Fm. †Echinochitonidae Pojeta et al. 2003
+
G. †Echinochiton Pojeta et al. 2003
+
†Echinochiton dufoei Pojeta et al. 2003
G. †Enetoplax Cherns 1998
+
†Enetoplax decora Cherns 1998
G. †Heloplax Cherns 1998
+
†Heloplax papilla Cherns 1998
Fm. †Mattheviidae Walcott 1886
+
G. †Chelodes Davidson and King 1874
+
†Chelodes actinis Cherns 1998
†Chelodes acuminata Stinchcomb and Darrough 1995
†Chelodes bergmani Davidson and King 1874
†Chelodes cooperi Bergenhayn 1960
†Chelodes whitehousei Runnegar et al. 1979
Invalid names: Eochelodes [synonym], Praecanthochiton Bergenhayn 1960 [synonym]
G. †Conodia Stinchcomb and Darrough 1995
+
†Conodia levicosta Stinchcomb and Darrough 1995
G. †Eukteanochiton Vendrasco and Runnegar 2004
+
†Eukteanochiton milleri Vendrasco and Runnegar 2004
G. †Hemithecella Butts 1941
+
†Hemithecella abrupta Stinchcomb and Darrough 1995
†Hemithecella eminensis Stinchcomb and Darrough 1995
+
Invalid names: Elongata perplexa Stinchcomb and Darrough 1995 [synonym], Hemithecella elongata Stinchcomb and Darrough 1995 [synonym]
†Hemithecella expansa Butts 1941
†Hemithecella quinquelites Stinchcomb and Darrough 1995
Invalid names: Elongata Stinchcomb and Darrough 1995 [synonym]
G. †Matthevia Walcott 1885
+
†Matthevia erecta Pojeta et al. 2005
†Matthevia variabilis Walcott 1885
†Matthevia wahwahensis Vendrasco and Runnegar 2004
†Matthevia walcotti Runnegar et al. 1979
G. †Qaleruaqia Peel 2020
+
G. †Robustum Stinchcomb and Darrough 1995
+
†Robustum nodum Stinchcomb and Darrough 1995
†Robustum phallerium Stinchcomb and Darrough 1995
G. †Spicuchelodes Cherns 1998
+
†Spicuchelodes cressmani Hoare and Pojeta 2006
Invalid names: Chelodidae Bergenhayn 1943 [synonym], Robustidae Stinchcomb and Darrough 1995 [synonym]
G. †Plectrochiton Cherns 1998
+
†Plectrochiton tegulus Cherns 1998
G. †Priscochiton Dall 1881
+
†Priscochiton canadensis Billings 1865
Or. †Septemchitonida Bergenhayn 1955
+
Fm. †Alastegiidae Hoare and Pojeta 2006
+
G. †Amblytochiton Hoare and Pojeta 2006
+
†Amblytochiton incomptus Hoare and Pojeta 2006
G. †Thairoplax Cherns 1998
+
†Thairoplax birhombivalvis Bergenhayn 1955
†Thairoplax merriami Hoare 2000
†Thairoplax pelta Cherns 1998
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Environment: marine, brackishc
Locomotion: facultatively mobilec
Attached: yesc
Life habit: epifaunalc
Diet: grazerc
Vision: limitedc
Created: 2007-09-07 09:30:10
Modified: 2010-02-15 05:49:47
Source: c = class
Reference: Kiessling 2003

Age range

Maximum range based only on fossils: base of the Dyeran to the top of the Campanian or 515.30000 to 72.10000 Ma
Minimum age of oldest fossil (stem group age): 511.2 Ma

Collections (86 total)


Time interval Ma Country or state Original ID and collection number
Cambrian538.8 - 485.4USA (New York) Matthevia sp. (254)
Dyeran515.3 - 511.2Greenland (Peary Land) Qaleruaqia sodermanorum (210618)
Franconian497.0 - 485.4USA (Utah) Matthevia variabilis (253)
Sunwaptan493.5 - 487.5USA (Utah) Eukteanochiton milleri (94566) Matthevia wahwahensis (94560 94561 94564 94565) Matthevia wahwahensis, Orthriochiton utahensis (94562 94563)
Sunwaptan493.5 - 487.5USA (New York) Matthevia sp. (85187)
Trempealeauan492.5 - 485.4USA (Missouri) Aulochiton sannerae (98342) Chelodes cooperi, Aulochiton sannerae (98345) Elongata perplexa, Hemithecella elongata (64586) Hemithecella elongata, Hemithecella eminensis, Aulochiton sannerae (98338) Hemithecella eminensis (8690 8692 49505) Hemithecella eminensis, Chelodes cooperi, Aulochiton sannerae (98337) Preacanthochiton depressus (98340 98344) Preacanthochiton productus (98341)
Trempealeauan492.5 - 485.4USA (Utah) Matthevia sp. (259)
Trempealeauan492.5 - 485.4USA (Wisconsin) Matthevia sp. (255)
Tremadoc486.5 - 477.7USA (Missouri) Conodia acuminata, Conodia levicosta, Hemithecella quinquelites, Robustum nodum, Robustum phallerium, Hemithecella sp. (8943) Conodia levicosta, Hemithecella sp. (8941) Hemithecella abrupta, Hemithecella expansa (8940) Hemithecella expansa, Robustum phallerium (8939)
Demingian485.4 - 478.6USA (Virginia) Hemithecella expansa (56651)
Warendian485.4 - 478.6Australia (Queensland) Chelodes whitehousei (77486 77510)
Gasconadian485.4 - 477.7USA (Missouri) Hemithecella expansa (64584) Matthevia erecta (98347) Matthevia walcotti (98348) Robustum nodum (156485)
Tremadocian485.4 - 477.7USA (Virginia) Hemithecella expansa (78881)
Jeffersonian485.4 - 470.0USA (Oklahoma) Gotlandochiton hami (80101) Gotlandochiton sp., Ivoechiton sp., Paleochiton kindbladensis, Ivoechiton oklahomensis, Ivoechiton calathicolus, Eochiton arbucklensis, Gotlandochiton hami (80100) Ivoechiton calathicolus (80102)
Sarka466.0 - 466.0Czech Republic Helminthochiton aequivoca (232240)
Dobrotivian459.0 - 457.9Czech Republic Helminthochiton sp. (3859)
Sandbian458.4 - 453.0United Kingdom (Scotland) Solenocaris solenoides (115303)
Caradoc458.4 - 449.5Poland Chelodes sp., Sarkachiton kielcensis (233108) Sarkachiton kielcensis (233109)
Turinian457.3 - 453.8USA (Kentucky) Helminthochiton blacki (100128 100176 100231)
Blackriveran457.3 - 449.6USA (Wisconsin) Echinochiton dufoei (98349)
Blackriveran457.3 - 449.6Canada (Quebec) Prisochiton canadensis (63816)
Rocklandian457.3 - 449.6USA (Kentucky) Amblytochiton incomptus, Spicuchelodes cressmani (87737) Spicuchelodes cressmani (87962 100130)
Shermanian457.3 - 449.6USA (Kentucky) Helminthochiton blacki (77357 87822)
Chatfieldian453.8 - 451.0USA (Kentucky) Alastega martini (100233) Alastega martini, Listrochiton weiri (99334 100288) Listrochiton weiri (100234)
Maysvillian450.2 - 449.6USA (Iowa) Septemchiton iowaensis (13262) Septemchiton iowensis (13261)
Richmondian449.6 - 445.5USA (Iowa) Septemchiton sp. (356)
Telychian438.5 - 433.4Sweden (Gotland) Thairoplax birhombivalvis (3972)
Sheinwoodian433.4 - 430.5Sweden (Gotland) Gotlandochiton interplicatus (59278)
Homerian430.5 - 427.4Sweden (Gotland) Chelodes bergmani (13556) Thairoplax pelta, Plectrochiton tegulus, Alastega lira, Heloplax papilla, Enetoplax decora, Arctoplax ornata, Chelodes actinis (13635)
Homerian430.5 - 427.4Czech Republic Chelodes bohemicus (14053)
Ludfordian425.6 - 423.0USA (California) Paleochiton siskiyouensis, Thairoplax merriami (157204)
Lochkovian419.2 - 410.8Australia (New South Wales) Chelodes intermedius (25705 25706) Chelodes intermedius, Helminthochiton sp. (25707)
Emsian407.6 - 393.3Canada (Quebec) Probolaeum canadense (233202)
Givetian387.7 - 382.7United Kingdom (England) Helminthochiton papilio (129878 130270)
Givetian387.7 - 382.7Germany Diadelochiton recauvus (91432)
Frasnian382.7 - 372.2Germany Diadelochiton recauvus (91433)
Kashirian - Myachkovian313.8 - 307.0USA (Texas) Helminthochiton simplex (41873)
Desmoinesian312.8 - 306.0USA (Pennsylvania) Glaphurochiton simplex (184098)
Desmoinesian312.8 - 306.0USA (Ohio) Helminthochiton simplex (71963 79326)
Missourian306.0 - 303.7USA (Oklahoma) Helminthochiton riddlei (39813)
Artinskian290.1 - 279.3USA (Nevada) Helminthochiton sp. (39157)
Kungurian279.3 - 272.3USA (Nevada) Helminthochiton sp. (10472)
Wuchiapingian259.9 - 254.17Greece Helminthochiton sp. (64176)
Campanian83.6 - 72.1Sweden Haeggochiton haeggi (91218) Ivoechiton levis (91220) Scanochiton jugatus, Olingechiton triangulatus (91219)