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Platyceras (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.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassEogastropoda
orderEuomphalina
superfamilyPlatyceratoidea()
familyPlatyceratidae
genusPlatyceras
subgenusPlatyostoma()

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.

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: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 10 to < 100g
Folds: noneg
Ribbing: noneg
Spines: noneg
Internal reinforcement: noneg
Ontogeny: accretionsuperf
Environment: marinef
Locomotion: facultatively mobileg
Epibiont: yesg
Life habit: epifaunalg
Diet: parasiteg
Vision: limitedc
Created: 2004-02-29 18:30:08
Modified: 2009-06-06 09:13:53
Source: g = genus, f = family, superf = superfamily, c = class
References: Kiessling 2004, Knight et al. 1960, Aberhan et al. 2004, Batten 1984

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

Collections (222 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) Platyostoma 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 (Qu├ębec) Diaphorostoma humile, Diaphorostoma niagarense (63786)
Raikkula443.4 - 436.0Estonia Platyostoma sp. (172928)
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)
Llandovery443.4 - 433.4Greenland (Washington Land) Platyceras cornutum (49828)
Llandovery443.4 - 433.4USA (Indiana) Platyostoma daytonense, Platyostoma clintonensis (13291)
Llandovery - Ludlow443.4 - 423.0USA (Maryland) Diaphorostoma niagarense (41101)
Niagaran443.4 - 422.9USA (Ohio) Diaphorostoma sp. (475)
Silurian443.4 - 419.2USA (Indiana) Platyostoma niagarense, Platyostoma brownsportense (75266)
Aeronian440.8 - 438.5Norway (Oslo) Platyostoma cornutum (49984)
Telychian438.5 - 433.4Norway (Oslo) Platyostoma cornutum (49985)
Telychian438.5 - 433.4Canada (Ontario) Diaphorostoma perforatum (77332)
Telychian438.5 - 433.4USA (New York) Diaphorostoma hemisphericum (83098) Strophostylus ventricosus (82506 82518)
Telychian - Wenlock438.5 - 427.4USA (Indiana) Platyostoma sp. 1, Platyostoma sp. 2, Platyostoma sp. 3 (26805)
Sheinwoodian433.4 - 430.5Sweden (Gotland) Platyceras cornutum (13592 13594 13597 13598 13669 13670 13672)
Sheinwoodian433.4 - 430.5USA (New York) Diaphorostoma hemisphericum (82545) Naticonema niagarensis (26863 26864)
Sheinwoodian433.4 - 430.5Canada (Nunavut) Platyceras boggsi (690 26009) Platyceras sp. A, Platyceras boggsi (26003)
Wenlock433.4 - 427.4USA (Indiana) Naticonema niagarense (26787 26792 26794) Naticonema niagarense, Platyostoma plebium (26789) Naticonema niagarensis (26778)
Wenlock433.4 - 427.4Greenland Platyostoma sp. (188490)
Wenlock433.4 - 427.4USA (Iowa) Platyostoma sp. (25019 25032)
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 (Tennessee) Naticonema niagarense (26788) Naticonema niagarense, Platyostoma plebium (26802)
Wenlock - Ludlow433.4 - 423.0USA (Wisconsin) Platyostoma niagarensis (24944)
Wenlock - Pridoli433.4 - 419.2Argentina Platyostoma sp. (25058)
Wenlock - Pridoli433.4 - 419.2Italy (Sardinia) Platyostoma sp. (26163)
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 - 425.6Sweden (Gotland) Cyclonema adstrictum, Platyceras cornutum, Platyceras spiratum (13603)
Gorstian427.4 - 425.6Canada (Nunavut) Platyceras boggsi, Platyceras cornutum (26008)
Ludlow427.4 - 423.0USA (Missouri) Platyostoma sp. (26822)
Ludlow - Pridoli427.4 - 419.2USA (Oklahoma) Platyostoma sp. (26824)
Ludfordian425.6 - 423.0Sweden (Gotland) Platyostoma cornutum (111191)
Ludfordian425.6 - 423.0USA (Indiana) Platyceras cornutum (6706)
Ludfordian425.6 - 423.0Sweden Platyostoma cornutum (79812)
Pridoli423.0 - 419.2USA (New York) Diaphorostoma sp. (491)
Pridoli423.0 - 419.2Canada (Nova Scotia) Platyceras cornutum (155398)
Pridoli - Helderberg423.0 - 391.9Argentina Platyostoma sp. (25055)
Lochkovian419.2 - 410.8USA (Maine) Platyostoma 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, Platyostoma triangularis (56699)
Pragian410.8 - 407.6USA (New York) Diaphorostoma desmatum, Diaphorostoma ventricosum, Platyceras gebhardi (160377)
Pragian410.8 - 407.6Canada (Quebec) Platyceras perceense (599)
Pragian410.8 - 407.6Austria Platyostoma varians, Platyostoma naticoides (154582)
Early/Lower Emsian409.1 - 402.5Morocco Platyceras sp. (150360)
Emsian407.6 - 393.3South Africa Diaphorostoma baini (35581 35584 35590) Diaphorostoma baini, Diaphorostoma sp. (a), Diaphorostoma sp. (b) (35578)
Emsian407.6 - 393.3USA (West Virginia) Platyceras gebharti (70109)
Emsian407.6 - 393.3France Platyceras naticoides (154581)
Emsian407.6 - 393.3Brazil (Parana) Platyceras sp. (37082)
Emsian407.6 - 393.3Canada (Quebec) Diaphorostoma sp. (608)
Emsian - Eifelian407.6 - 387.7Brazil (Piaui) Platyceras sp. (37128)
Emsian - Eifelian407.6 - 387.7Venezuela Platyostoma sp. (35895 35896)
Emsian - Eifelian407.6 - 387.7Colombia Platyostoma lineata (36017 36018)
Emsian - Eifelian407.6 - 387.7Brazil (Para) Platyceras sp. (37138)
Emsian - Eifelian407.6 - 387.7Colombia (Boyaca) Platyostoma lineata (36012)
Emsian - Eifelian407.6 - 387.7Brazil (Mato Grosso) Platyceras sp. (37115)
Late/Upper Emsian402.5 - 391.9Austria Platyostoma cornutum (26220)
Eifelian393.3 - 387.7USA (Indiana) Platyostoma sp. (170009)
Eifelian393.3 - 387.7USA (New York) Platyceras sp. (77056) Platyostoma lineata (9538 9542 9551 9552 9613) Platyostoma sp. (9537) Platyostoma turbinata (9548 9553 9617) Platyostoma turbinata, Platyostoma lineata (9541 9614 9615) Platystoma unisulcata, Platystoma lineata, Platystoma turbinata (9540)
Eifelian393.3 - 387.7South Africa Diaphorostoma sp. (35594)
Eifelian393.3 - 387.7Brazil (Para) Platyceras sp. (37137)
Eifelian393.3 - 387.7USA (Ohio) Platyostoma lineatum, Platyostoma subglobosa (129948)
Eifelian - Givetian393.3 - 382.7Brazil (Piaui) Platyceras sp. (37170)
Middle Devonian393.3 - 382.7USA (Indiana) Naticonema lineatum (11101)
Middle Devonian393.3 - 382.7USA (New York) Naticonema lineatum (91091 91238 91240 91277 91278 91279 91280 91281) Platyceras sp. (75143)
Cazenovia391.9 - 383.7USA (New York) Platyceras sp. A, Platyceras sp. B (69461)
Givetian387.7 - 382.7USA (Illinois) Platystoma lineata (157345)
Givetian387.7 - 382.7USA (Pennsylvania) Platyceras euomphaloides (9659) Playceras sp. (9991)
Givetian387.7 - 382.7USA (Ohio) Platyceras lineatum (38450 38451 38457 38458 38459 38460 38461 38462) Platyostoma lineatum (38452 38453 38454 38455 38456)
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) Platyostoma tumidum (56461)
Givetian387.7 - 382.7Brazil (Para) Platyceras sp. (37173)
Givetian387.7 - 382.7United Kingdom (England) Capulus invictus (81021) Capulus invictus, Platyostoma deforme, Platyostoma speciosum (129878 130270)
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)
Early/Lower Famennian376.1 - 370.6Germany (Rhenish Massif) Platyostoma lineata (5960)
Asselian - Sakmarian298.9 - 290.1Svalbard and Jan Mayen Platyostoma indica (145696)
Wordian268.8 - 265.1Pakistan Diaphorostoma indicum (125843)
Wordian268.8 - 265.1China (Nei Mongol) Strophostylus indicus (109091 109209 109211 109257)
Capitanian265.1 - 259.9Pakistan Diaphorostoma indicum (125882 127032)
Wuchiapingian259.9 - 254.17Pakistan Diaphorostoma indicum (126302) Platystoma indicum (95279)