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Platyceras

Gastropoda - Euomphalina - Platyceratidae

Taxonomy
Platyceras was named by Conrad (1840) [Sepkoski's age data: O Cara-l Tr Anis Sepkoski's reference number: 797]. It is not extant. It is the type genus of Platyceratidae.

It was assigned to Capulidae by Ulrich and Scofield (1897); to Archaeogastropoda by Sepkoski (2002); and to Platyceratidae by Hall (1859), Knight et al. (1960) and Bouchet et al. (2005).

Species
P. (Euthyrachis), P. (Platyceras), P. (Tubomphalus), P. (Visitator) (syn. Cowwarrella, Aulopea, Saffordella, Distemnostoma), P. abundans (syn. Capulus deformis), P. ammon, P. angulatum, P. angustum, P. argo, P. attenuatum, P. auriculatum, P. billingsi, P. bistrami, P. bucculentum, P. callossum, P. canalicatum, P. carinatum, P. chapmani, P. colonus, P. columbinus, P. compressum, P. compressum, P. compressus, P. conradi, P. contortum, P. contortus, P. cordatus, P. crassum, P. cymbium, P. decorum, P. dilatans, P. dilatatum, P. disciforme, P. dormitans, P. duriculatum, P. eberti, P. echinatum, P. edmundi, P. elongatum, P. encloides, P. erectum, P. evolutus, P. expansus, P. fecundum, P. galeritus, P. gaspense, P. gibbosum, P. glenparkensis, P. gracilis, P. guesnini, P. hainensis, P. haliotis, P. haliotoides, P. hebes, P. holzapfeli, P. humulus, P. kahlebergensis, P. khammonense, P. laevicostatum, P. latum, P. leboutillieri, P. lejeunii, P. magnificum, P. mansfieldense, P. marylandicum, P. minutum, P. multiplicatus, P. munsteriana, P. nasutum, P. nettersheimensis, P. niagarensis, P. nodosum, P. oehlerti, P. oxynotum, P. paralium, P. patelliforme, P. pericompsus, P. perneri, P. platystomum, P. plicatile, P. priscum, P. producti, P. pulcherrimum, P. rarispinum, P. reflexum, P. richtum, P. rictum, P. robustum, P. romingeri, P. sagum, P. sigmoidale, P. sinuatum, P. spirale, P. squamosus, P. steinmanni, P. subrotundum, P. subumbonatum, P. symmetricum, P. tenella, P. terminalis, P. thetiforme, P. thetis, P. trilobatum, P. trojani, P. uncinatus, P. undata, P. undulatum, P. unicus, P. ussheri, P. verrucosum, P. vetusta, P. villmarensis, P. yochelsoni, P. zinkeni
Species lacking formal opinion data

Synonyms
Synonymy list
YearName and author
1840Platyceras Conrad
1841Acroculia Phillips
1844Actita Fahrenkohl
1859Platyceras Hall
1897Platyceras Ulrich and Scofield
1960Platyceras Knight et al. p. 240
2002Platyceras Sepkoski
2005Platyceras Bouchet et al. pp. 134, 246

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

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. †Platyceras Conrad 1840
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Subg. †Platyceras (Euthyrachis) Tyler 1965
Subg. †Platyceras (Tubomphalus) Perner 1903
+
Tubomphalus crenistria Perner 1903
Tubomphalus elatus Perner 1903
Tubomphalus emergens Perner 1903
Tubomphalus inflatus Perner 1907
Subg. †Platyceras (Visitator) Perner 1911
+
Visitator cylindricum Talent and Philip 1956
Visitator extraneus Perner 1911
Visitator tennesseensis Dunbar 1920
+
Invalid names: Visitator curtum Dunbar 1920 [synonym], Visitator nelsoni Dunbar 1920 [synonym], Visitator planidorsata Dunbar 1920 [synonym], Visitator princeps Dunbar 1920 [synonym], Visitator quadrangulare Dunbar 1920 [synonym]
Invalid names: Aulopea Dunbar 1920 [synonym], Cowwarrella Talent and Philip 1956 [synonym], Distemnostoma Dunbar 1920 [synonym], Saffordella Dunbar 1920 [synonym]
Platyceras abundans Wanner 1922
+
Invalid names: Capulus deformis Wanner 1922 [synonym]
Platyceras ammon Hall 1862
Platyceras angulatum Hall 1852
Platyceras angustum Phillips 1836
Platyceras argo Hall 1862
Platyceras attenuatum Hall 1859
Platyceras billingsi Hall 1859
Platyceras bistrami Knod 1908
Platyceras callossum Hall 1859
Platyceras canalicatum Angelin and Lindström 1880
Platyceras carinatum Hall 1862
Platyceras chapmani Williams and Breger 1916
Platyceras colonus Holzapfel 1895
Platyceras columbinus Whidborne 1889
Platyceras compressum Clarke and Swartz 1913
Platyceras compressum Jhaveri 1969
Platyceras compressus Goldfuss 1832
Platyceras conradi Walcott 1884
Platyceras contortum Barrois 1889
Platyceras contortus Römer 1843
Platyceras cordatus Whidborne 1889
Platyceras crassum Hall 1862
Platyceras cymbium Hall 1862
Platyceras decorum Talent and Philip 1956
Platyceras dilatans Perner 1911
Platyceras dilatatum Hall 1859
Platyceras disciforme Lindström 1884
Platyceras dormitans Maurer 1885
Platyceras eberti Holzapfel 1895
Platyceras echinatum Hall 1862
Platyceras edmundi Williams and Breger 1916
Platyceras elongatum Hall 1859
Platyceras encloides Weller 1906
Platyceras erectum Hall 1843
Platyceras evolutus Weller 1906
Platyceras expansus Conrad 1842
Platyceras fecundum Perner 1911
Platyceras galeritus Whidborne 1891
Platyceras gaspense Clarke 1908
Platyceras gibbosum Hall 1859
Platyceras glenparkensis Weller 1906
Platyceras gracilis Sandberger 1842
Platyceras guesnini Clarke 1908
Platyceras hainensis Maurer 1885
Platyceras haliotis de Sowerby and Murchison 1839
Platyceras haliotoides Meek and Worthen 1866
Platyceras hebes Clarke 1907
Platyceras holzapfeli Spitz 1907
Platyceras humulus Perner 1911
Platyceras kahlebergensis Beushausen 1884
Platyceras khammonense Mansuy 1913
Platyceras latum Keyes 1888
Platyceras leboutillieri Clarke 1907
Platyceras lejeunii Clarke 1908
Platyceras magnificum Hall 1859
Platyceras mansfieldense Tassell 1977
Platyceras marylandicum Clarke and Swartz 1913
Platyceras minutum Chapman 1916
Platyceras multiplicatus Giebel 1858
Platyceras munsteriana Fahrenkohl 1844
Platyceras nasutum Miller 1891
Platyceras nettersheimensis Heidelberger 2003
Platyceras nodosum Conrad 1841
Platyceras oehlerti Spitz 1907
Platyceras oxynotum Girty 1929
Platyceras paralium White and Whitfield 1862
Platyceras patelliforme Holzapfel 1895
Platyceras pericompsus Whidborne 1891
Platyceras perneri Tolmachoff 1930
Platyceras plicatile Hall 1879
Platyceras priscum Goldfuss 1844
Platyceras producti Frech 1911
Platyceras pulcherrimum Rowley 1908
Platyceras rarispinum Hall 1859
Platyceras reflexum Hall 1859
Platyceras richtum Hall 1879
Platyceras rictum Hall 1862
Platyceras robustum Hall 1859
Platyceras romingeri Walcott 1889
Platyceras sagum Mazaev 2019
Platyceras sigmoidale Phillips 1841
Platyceras sinuatum Hall 1859
Platyceras spirale Hall 1859
Platyceras squamosus Trenkner 1868
Platyceras steinmanni Clarke 1899
Platyceras subrotundum Snider 1915
Platyceras subumbonatum Northrop 1939
Platyceras tenella Dana 1847
Platyceras terminalis Whidborne 1889
Platyceras thetiforme Walcott 1884
Platyceras thetis Hall 1862
Platyceras trilobatum Hall 1859
Platyceras trojani Blodgett and Johnson 1992
Platyceras uncinatus Roemer 1852
Platyceras undata Hall 1859
Platyceras undulatum Walcott 1884
Platyceras unicus Hall 1879
Platyceras ussheri Whidborne 1891
Platyceras verrucosum Barrois 1889
Platyceras vetusta Sowerby 1829
Platyceras villmarensis Basse and Heidelberger 2002
Platyceras yochelsoni Kulas and Batten 1997
Platyceras zinkeni Römer 1843
Invalid names: Acroculia Phillips 1841 [objective synonym], Actita Fahrenkohl 1844 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height37.404.5020.04.508.95

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
Comments: BODY SIZE: Data from Knight et al. (1960).g
Created: 2004-02-29 18:30:08
Modified: 2009-06-06 09:13:53
Source: g = genus, f = family, superf = superfamily, c = class
References: Knight et al. 1960, Aberhan et al. 2004, Batten 1984, Kiessling 2004

Age range: base of the Rhuddanian to the top of the Carnian or 443.40000 to 228.00000 Ma

Collections (451 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Rhuddanian443.4 - 440.8USA (Illinois) P. sp. (26692)
Juuru443.4 - 439.0Estonia P. sp. (172929 172930)
Rhuddanian - Aeronian443.4 - 438.5USA (Iowa) P. sp. (26691)
Alexandrian443.4 - 436.0Canada (Québec) P. sp. (24441 24442)
Llandovery443.4 - 433.4USA (New York) P. sp. (462 463)
Niagaran - Sheinwoodian443.4 - 430.5Canada (Québec) P. sp. (25157)
Silurian443.4 - 419.2USA (California) P. columbinus (229257) P. sp. (229253 229254)
Silurian443.4 - 419.2USA (Indiana) P. niagarense (75266)
Telychian438.5 - 433.4Norway (Oslo) P. sp. (49985)
Telychian438.5 - 433.4United Kingdom (England) P. spp. (49635)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Kungurian279.3 - 272.3USA (Texas) P. sp. (43497)
Roadian272.3 - 268.8USA (Wyoming) P. yochelsoni (61938)
Wordian268.8 - 265.1Iran P. sp. (118130)
Wordian268.8 - 265.1USA (Texas) P. sp. (43550)
Wuchiapingian259.9 - 254.17USA (Wyoming) P. yochelsoni (61948 61951 82181)
Lopingian259.9 - 252.17China (Jiangxi) P. producti (109628)
Lopingian259.9 - 252.17USA (Wyoming) P. yochelsoni (82180)
Wuchiapingian - Changhsingian259.9 - 252.17Pakistan Orthonychia abundans (126707)
Carnian237.0 - 228.0USA (Alaska) P. sp. (112343)
Late/Upper Triassic237.0 - 201.3USA (Alaska) P. sp. (112288)