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Strophostylus
Taxonomy
Strophostylus was named by Hall (1859) [Sepkoski's age data: O Cara-m C Mosc Sepkoski's reference number: 362,797]. Its type is Strophostylus andrewsi.
It was reranked as Platyceras (Strophostylus) by Barrois (1889).
It was assigned to Platyceras by Barrois (1889); to Trochonematidae by Ulrich and Scofield (1897); to Strophostylidae by Grabau and Shimer (1909); to Archaeogastropoda by Sepkoski (2002); and to Platyceratidae by Knight et al. (1960) and Bouchet et al. (2005).
It was reranked as Platyceras (Strophostylus) by Barrois (1889).
It was assigned to Platyceras by Barrois (1889); to Trochonematidae by Ulrich and Scofield (1897); to Strophostylidae by Grabau and Shimer (1909); to Archaeogastropoda by Sepkoski (2002); and to Platyceratidae by Knight et al. (1960) and Bouchet et al. (2005).
Species
S. andrewsi (type species), S. bivolve, S. cancellata (syn. Cyclonema (Cyclonemina) contexta), S. chesterensis, S. cyclostomus, S. elegans, S. elevatus, S. fitchi, S. fortuitus, S. girtyi, S. globosus, S. matheri, S. nevadensis, S. obtusus, S. sargalensis, S. tantillus, S. transversus, S. unica, S. wortheni
Species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
---|---|
1859 | Strophostylus Hall p. 21 |
1889 | Platyceras (Strophostylus) Barrois p. 205 |
1897 | Strophostylus Ulrich and Scofield |
1909 | Strophostylus Grabau and Shimer p. 676 |
1934 | Helictostylus Knight |
1960 | Strophostylus Knight et al. p. 242 |
2002 | Strophostylus Sepkoski |
2005 | Strophostylus Bouchet et al. p. 246 |
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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. †Strophostylus Hall 1859
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†Strophostylus andrewsi Hall 1859
†Strophostylus bivolve White and Whitfield 1862
†Strophostylus cancellata Hall 1847
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Invalid names: Cyclonema (Cyclonemina) contexta Perner 1903 [synonym]
†Strophostylus chesterensis Thein and Nitecki 1974
†Strophostylus cyclostomus Hall 1864
†Strophostylus elegans Hall 1859
†Strophostylus elevatus Hall 1868
†Strophostylus fitchi Hall 1859
†Strophostylus fortuitus Mazaev 2019
†Strophostylus girtyi Knight 1934
†Strophostylus globosus Hall 1859
†Strophostylus matheri Hall 1859
†Strophostylus nevadensis Gordon and Yochelson 1983
†Strophostylus obtusus Hall 1859
†Strophostylus sargalensis Reed 1944
†Strophostylus tantillus Gordon and Yochelson 1983
†Strophostylus transversus Hall 1859
†Strophostylus unica Hall 1862
†Strophostylus wortheni Weller 1916
Invalid names: Helictostylus Knight 1934 [objective synonym]
Diagnosis
No diagnoses are available