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Platyostoma
Taxonomy
Platyostoma was named by Conrad (1842).
It was reranked as Platyceras (Platyostoma) by Knight et al. (1960).
It was assigned to Gastropoda by Waagen (1880); to Platyostomatidae by Miller (1889); to Platyceras by Knight et al. (1960); and to Platyceratidae by Wagner (2023).
It was reranked as Platyceras (Platyostoma) by Knight et al. (1960).
It was assigned to Gastropoda by Waagen (1880); to Platyostomatidae by Miller (1889); to Platyceras by Knight et al. (1960); and to Platyceratidae by Wagner (2023).
Species
P. (Platyostoma), P. adstrictum, P. allardycei, P. antiquuis, P. boggsi, P. brownsportense, P. cliftonensis, P. cornutum, P. daytonense (syn. Diaphorostoma niagarense), P. deforme, P. delicata, P. desmatum, P. euomphaloides, P. gebhardi, P. grayvillensis, P. hemispherica, P. humile, P. humilis, P. incisum, P. indica, P. insolita, P. invictus, P. irrasum, P. lineata, P. lutheri, P. minutissima, P. modesta, P. muitissima, P. naticoides, P. niagarensis, P. pastillus, P. perceense, P. perforatum, P. plebeium, P. pleurotoma, P. rotundatum, P. rowei, P. speciosum, P. strophius, P. subglobosa, P. triangularis, P. tumidum, P. turbinata, P. unisulcata, P. ventricosum
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1842 | Platyostoma Conrad p. 275 |
| 1868 | Exogyroceras Meek and Worthen |
| 1880 | Platystoma Waagen p. 103 |
| 1885 | Diaphorostoma Fischer |
| 1889 | Platycerina Miller |
| 1889 | Platyostoma Miller p. 395 |
| 1956 | Ostlerina Talent and Philip p. 59 |
| 1960 | Platyceras (Platyostoma) Knight et al. |
| 2023 | Platyostoma Wagner p. G0164 |
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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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†Platyceras (Platyceras) cornutum loricatum Lindström 1884
Subg. †Platyostoma (Platyostoma) Conrad 1842
†Platyostoma adstrictum Lindström 1884
†Platyostoma allardycei Clarke 1913
†Platyostoma antiquuis Webster 1905
†Platyostoma boggsi Rohr et al. 1981
†Platyostoma brownsportense Foerste 1903
†Platyostoma cliftonensis Foerste 1909
†Platyostoma cornutum Hisinger 1837
†Platyostoma daytonense Foerste 1923
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Invalid names: Diaphorostoma niagarense Foerste 1887 [replaced]
†Platyostoma deforme Sedgwick and Murchison 1840
†Platyostoma delicata Talent and Philip 1956
†Platyostoma desmatum Clarke 1904
†Platyostoma euomphaloides Hall 1879
†Platyostoma gebhardi Conrad 1840
†Platyostoma grayvillensis Worthen 1882
†Platyostoma hemispherica Hall 1843
†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 niagarensis Hall 1852
†Platyostoma pastillus Clarke 1909
†Platyostoma perceense Clarke 1908
†Platyostoma perforatum Whiteaves 1904
†Platyostoma plebeium Hall 1876
†Platyostoma pleurotoma Hall 1879
†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