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Platyostoma

Gastropoda - Euomphalina - Platyceratidae

Synonyms
Synonymy list
YearName and author
1842Platyostoma Conrad p. 275
1868Exogyroceras Meek and Worthen
1880Platystoma Waagen p. 103
1885Diaphorostoma Fischer
1889Platycerina Miller
1889Platyostoma Miller p. 395
1956Ostlerina Talent and Philip p. 59
1960Platyceras (Platyostoma) Knight et al.
2023Platyostoma Wagner p. G0164

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassEogastropoda
orderEuomphalina
superfamilyPlatyceratoidea()
familyPlatyceratidae
genusPlatyostoma

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.

G. †Platyostoma Conrad 1842
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Subg. †Platyostoma (Platyostoma) Conrad 1842
Platyostoma adstrictum Lindström 1884
Platyostoma allardycei Clarke 1913
Platyostoma antiquuis Webster 1905
Platyostoma boggsi Rohr et al. 1981
Platyostoma cliftonensis Foerste 1909
Platyostoma cornutum Hisinger 1837
Platyostoma daytonense Foerste 1923
+
Invalid names: Diaphorostoma niagarense Foerste 1887 [replaced]
Platyostoma deforme Sedgwick and Murchison 1840
Platyostoma delicata Talent and Philip 1956
Platyostoma desmatum Clarke 1904
Platyostoma gebhardi Conrad 1840
Platyostoma grayvillensis Worthen 1882
Platyostoma humile Billings 1866
Platyostoma humilis Clarke and Swartz 1913
Platyostoma incisum Chapman 1916
Platyostoma indica Waagen 1880
Platyostoma insolita Webster 1906
Platyostoma invictus Whidborne 1891
Platyostoma irrasum Fenton and Fenton 1924
Platyostoma lineata Conrad 1842
Platyostoma lutheri Clarke 1904
Platyostoma minutissima Clarke 1885
Platyostoma modesta Webster 1906
Platyostoma muitissima Clarke 1903
Platyostoma naticoides Etheridge, Jr. 1878
Platyostoma pastillus Clarke 1909
Platyostoma perceense Clarke 1908
Platyostoma perforatum Whiteaves 1904
Platyostoma plebeium Hall 1876
Platyostoma rotundatum Clarke 1904
Platyostoma rowei Clarke and Swartz 1913
Platyostoma speciosum Sedgwick and Murchison 1840
Platyostoma strophius Hall 1862
Platyostoma subglobosa Stauffer 1909
Platyostoma triangularis Talent and Philip 1956
Platyostoma tumidum Whiteaves 1892
Platyostoma turbinata Hall 1861
Platyostoma unisulcata Conrad 1842
Platyostoma ventricosum Conrad 1842
Invalid names: Diaphorostoma Fischer 1885 [synonym], Exogyroceras Meek and Worthen 1868 [synonym], Ostlerina Talent and Philip 1956 [synonym], Platycerina Miller 1889 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height331.126.040.029.07.37
shell diameter356.0--56.0-

Composition: low Mg calcitef
Composition 2: aragonitef
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ribbing: minorsuperf
Ontogeny: accretionsuperf
Environment: marinef
Locomotion: passively mobilef
Epibiont: yesf
Life habit: epifaunalf
Diet: coprophagef
Vision: limitedc
Created: 2004-08-15 08:04:13
Modified: 2009-07-20 15:16:03
Source: f = family, superf = superfamily, c = class
References: Kiessling 2004, Knight et al. 1960, Batten 1984

Age range: base of the Rhuddanian to the top of the Wuchiapingian or 443.40000 to 254.17000 Ma

Collections (231 total)


Time interval Ma Country or state Original ID and collection number
Rhuddanian443.4 - 440.8Canada (Nova Scotia) Platyceras cornutum (49822)
Rhuddanian443.4 - 440.8Canada (Ontario) Naticonema niagarense (173185) P. hemispherica (173224)
Rhuddanian443.4 - 440.8Russian Federation (Siberia) Platyceras cornutum (3342 3343)
Juuru443.4 - 439.0Estonia Platyceras sp. (172929)
Alexandrian443.4 - 436.0Canada (Quebec) Diaphorostoma humile (63558)
Alexandrian443.4 - 436.0Canada (Québec) Diaphorostoma humile, Diaphorostoma niagarense (63786)
Raikkula443.4 - 436.0Estonia P. sp. (172928)
Llandovery443.4 - 433.4Greenland (Washington Land) Platyceras cornutum (49828)
Llandovery443.4 - 433.4USA (Indiana) P. daytonense, P. clintonensis (13291)
Llandovery443.4 - 433.4USA (New York) Diaphorostoma sp. (459) Naticonema niagarensis (75224)
Llandovery443.4 - 433.4Canada (Ontario) Naticonema niagarensis (75225) Naticonema sp. (446) Platystoma sp. (444)
Llandovery - Ludlow443.4 - 423.0USA (Maryland) Diaphorostoma niagarense (41101)
Niagaran443.4 - 422.9USA (Ohio) Diaphorostoma sp. (475)
Silurian443.4 - 419.2USA (California) Diaphorostoma sp. (229258) Diaphorostoma sp., P. sp. (229253) P. sp. (229254)
Silurian443.4 - 419.2USA (Indiana) P. niagarense, P. brownsportense (75266)
Aeronian440.8 - 438.5Norway (Oslo) P. cornutum (49984)
Telychian438.5 - 433.4Norway (Oslo) P. cornutum (49985)
Telychian438.5 - 433.4USA (New York) Diaphorostoma hemisphericum (83098) Strophostylus ventricosus (82506 82518)
Telychian438.5 - 433.4Canada (Ontario) Diaphorostoma perforatum (77332)
Sheinwoodian433.4 - 430.5Sweden (Gotland) Platyceras cornutum (13592 13594 13597 13598 13669 13670 13672)
Sheinwoodian433.4 - 430.5USA (Indiana) P. sp. 1, P. sp. 2, P. sp. 3 (26805)
Sheinwoodian433.4 - 430.5Canada (Nunavut) Platyceras boggsi (690 26009) Platyceras sp. A, Platyceras boggsi (26003)
Sheinwoodian433.4 - 430.5USA (New York) Diaphorostoma hemisphericum (82545) Naticonema niagarensis (26863 26864)
Sheinwoodian433.4 - 430.5Sweden Platyceras cornutum (233125) Platyceras cornutum, Platyceras sp. a (233124)
Wenlock433.4 - 427.4Greenland P. sp. (188490)
Wenlock433.4 - 427.4USA (Tennessee) Naticonema niagarense (26788) Naticonema niagarense, P. plebium (26802)
Wenlock433.4 - 427.4USA (Indiana) Naticonema niagarense (26787 26792 26794) Naticonema niagarense, P. plebium (26789) Naticonema niagarensis (26778)
Wenlock433.4 - 427.4USA (New York) Diaphorostoma hemisphericum (81920) Diaphorostoma niagarense (81783 81804 81917) Diaphorostoma niagarense, Diaphorostoma hemisphericum (81813) Diaphorostoma sp. (541) Naticonema niagarensis (12934 12936 13047 13050 13051 13052 13053 13054 26854)
Wenlock433.4 - 427.4USA (Iowa) P. sp. (25019 25032)
Wenlock - Ludlow433.4 - 423.0USA (Wisconsin) P. niagarensis (24944)
Wenlock - Pridoli433.4 - 419.2Italy (Sardinia) P. sp. (26163)
Wenlock - Pridoli433.4 - 419.2Argentina P. sp. (25058)
Homerian430.5 - 427.4Norway Platyceras cornutum (14317)
Homerian430.5 - 427.4Sweden (Gotland) Platyceras cornutum (13599 13673) Platyceras cornutum, Platyceras spiratum (13671)
Homerian430.5 - 427.4USA (New York) Diaphorostoma niagarensis (155562)
Homerian - Gorstian430.5 - 425.6Sweden (Gotland) Platyceras cornutum, Platyceras spiratum (13601)
Jaani428.2 - 426.2Estonia (Saare) Platyceras cornutum (195595)
Gorstian427.4 - 425.6Canada (Nunavut) Platyceras boggsi, Platyceras cornutum (26008)
Gorstian427.4 - 425.6Sweden (Gotland) Cyclonema adstrictum, Platyceras cornutum, Platyceras spiratum (13603)
Ludlow427.4 - 423.0USA (Missouri) P. sp. (26822)
Ludfordian425.6 - 423.0Sweden P. cornutum (79812)
Ludfordian425.6 - 423.0USA (Indiana) Platyceras cornutum (6706)
Ludfordian425.6 - 423.0Sweden (Gotland) P. cornutum (111191)
Ludfordian - Pridoli425.6 - 419.2USA (Oklahoma) P. sp. (26824)
Pridoli423.0 - 419.2USA (New York) Diaphorostoma sp. (491)
Pridoli423.0 - 419.2Canada (Quebec) Diaphorostoma niagarense (207843)
Pridoli423.0 - 419.2Canada (Nova Scotia) Platyceras cornutum (155398)
Pridoli - Helderberg423.0 - 391.9Argentina P. sp. (25055)
Lochkovian419.2 - 410.8USA (Maine) P. ventricosum (103303)
Devonian419.2 - 358.9USA (Alaska) Diaphorostoma sp. (112232)
Gedinnine416.0 - 412.3Kazakhstan (Karagandinskaya Oblast) Platyceras sp. (69183 69194)
Siegen412.3 - 409.1Australia (Victoria) Ostlerina delicata (56698) Ostlerina delicata, P. triangularis (56699)
Pragian410.8 - 407.6Canada (Quebec) Platyceras perceense (599)
Pragian410.8 - 407.6USA (New York) Diaphorostoma desmatum, Diaphorostoma ventricosum, Platyceras gebhardi (160377)
Pragian410.8 - 407.6Austria P. varians, P. naticoides (154582)
Pragian410.8 - 407.6USA (Pennsylvania) Diaphorostoma desmatum (231623)
Early/Lower Emsian409.1 - 402.5Morocco Platyceras sp. (150360)
Emsian407.6 - 393.3Brazil (Parana) Platyceras sp. (37082)
Emsian407.6 - 393.3South Africa Diaphorostoma baini (35581 35584 35590) Diaphorostoma baini, Diaphorostoma sp. (a), Diaphorostoma sp. (b) (35578)
Emsian407.6 - 393.3Canada (Quebec) Diaphorostoma sp. (608)
Emsian407.6 - 393.3USA (West Virginia) Platyceras gebharti (70109)
Emsian407.6 - 393.3France Platyceras naticoides (154581)
Emsian - Eifelian407.6 - 387.7Brazil (Piaui) Platyceras sp. (37128)
Emsian - Eifelian407.6 - 387.7Venezuela P. sp. (35895 35896)
Emsian - Eifelian407.6 - 387.7Colombia P. lineata (36017 36018)
Emsian - Eifelian407.6 - 387.7Brazil (Para) Platyceras sp. (37138)
Emsian - Eifelian407.6 - 387.7Brazil (Mato Grosso) Platyceras sp. (37115)
Late/Upper Emsian402.5 - 391.9Austria P. cornutum (26220)
Eifelian393.3 - 387.7South Africa Diaphorostoma sp. (35594)
Eifelian393.3 - 387.7USA (Ohio) P. lineatum, P. subglobosa (129948)
Eifelian393.3 - 387.7USA (New York) Platyceras sp. (77056) P. lineata (9538 9542 9551 9552 9613) P. sp. (9537) P. turbinata (9548 9553 9617) P. turbinata, P. lineata (9541 9614 9615) Platystoma unisulcata, Platystoma lineata, Platystoma turbinata (9540)
Eifelian393.3 - 387.7Brazil (Para) Platyceras sp. (37137)
Eifelian393.3 - 387.7USA (Pennsylvania) Diaphorostoma lineatum (232686)
Eifelian - Givetian393.3 - 382.7Brazil (Piaui) Platyceras sp. (37170)
Middle Devonian393.3 - 382.7USA (New York) Naticonema lineatum (91091 91238 91240 91277 91278 91279 91280 91281) Platyceras sp. (75143)
Middle Devonian393.3 - 382.7USA (Indiana) Naticonema lineatum (11101)
Cazenovia391.9 - 383.7USA (New York) Platyceras sp. A, Platyceras sp. B (69461)
Givetian387.7 - 382.7USA (Ohio) Platyceras lineatum (38450 38451 38457 38458 38459 38460 38461 38462) P. lineatum (38452 38453 38454 38455 38456)
Givetian387.7 - 382.7USA (Illinois) Platystoma lineata (157345)
Givetian387.7 - 382.7USA (New York) Diaphorostoma lineata (10459) Diaphorostoma lineatum (76163) Naticonema lineata (5619 5620 5661 5664 5667 5668 8717 8718 8722 8724 8726 8727 8728 8978 8979 8984 8987 8993 8996 9000 9002 9005 9006 9016 9017 9019 9020 9028) Naticonema lineatum (10101 10107 10110 10119 96209 96210 96211 96212 96213) Platystoma lineata (89688 89698 89741 89804)
Givetian387.7 - 382.7Canada (Manitoba) P. tumidum (56461)
Givetian387.7 - 382.7Brazil (Para) Platyceras sp. (37173)
Givetian387.7 - 382.7United Kingdom (England) Capulus invictus (81021) Capulus invictus, P. deforme, P. speciosum (129878 130270)
Givetian387.7 - 382.7USA (Indiana) P. sp. (170009)
Givetian387.7 - 382.7USA (Pennsylvania) Platyceras euomphaloides (9659) Playceras sp. (9991)
Frasnian382.7 - 372.2USA (Iowa) Diaphorostoma antiquum (3403 3405) Diaphorostoma antiquum, Diaphorostoma insolitum (56255) Diaphorostoma irrasum (56253) Diaphorostoma sp. (3407)
Frasnian382.7 - 372.2USA (Pennsylvania) Diaphorostoma lineatum (148222)
Frasnian382.7 - 372.2Colombia (Boyaca) P. lineata (36012)
Middle Frasnian382.4 - 379.5USA (New York) P. minutissima (136399)
Early/Lower Famennian376.1 - 370.6Germany (Rhenish Massif) P. lineata (5960)
Asselian - Sakmarian298.9 - 290.1Svalbard and Jan Mayen P. indica (145696)
Wordian268.8 - 265.1China (Nei Mongol) Strophostylus indicus (109091 109209 109211 109257)
Wordian268.8 - 265.1Pakistan Diaphorostoma indicum (125843)
Capitanian265.1 - 259.9Pakistan Diaphorostoma indicum (125882 127032)
Wuchiapingian259.9 - 254.17Pakistan Diaphorostoma indicum (126302) Platystoma indicum (95279)