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Sphenosphaera
Taxonomy
Sphenosphaera was named by Knight (1945) [Sepkoski's age data: O Cara-l O Ashg-m Sepkoski's reference number: 797]. It is not extant. Its type is Bellerophon clausus.
It was assigned to Salpingostomatides by Knight et al. (1960); to Bucanopsinae by Wahlman (1992); and to Bellerophontida by Sepkoski (2002).
It was assigned to Salpingostomatides by Knight et al. (1960); to Bucanopsinae by Wahlman (1992); and to Bellerophontida by Sepkoski (2002).
Species
S. bilineatus, S. burginensis, S. capax, S. centervillensis, S. consimilis, S. eiseni, S. fiscellostriata (syn. S. exigua), S. kepinensis, S. laurentinus, S. mohri (syn. Bellerophon cincinnatiensis, Bellerophon parksi), S. nana, S. opertus, S. platystoma, S. recurvus, S. rogersensis (syn. S. clausus), S. similis, S. subangularis, S. subpatula, S. troosti
Synonymy list
| Year | Name and author |
|---|---|
| 1945 | Sphenosphaera Knight p. 334 |
| 1960 | Sphenosphaera Knight et al. p. 180 |
| 1992 | Sphenosphaera Wahlman |
| 2002 | Sphenosphaera Sepkoski |
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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. †Sphenosphaera Knight 1945
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†Sphenosphaera bilineatus Ulrich and Scofield 1897
†Sphenosphaera burginensis Ulrich and Scofield 1897
†Sphenosphaera capax Ulrich and Scofield 1897
†Sphenosphaera centervillensis Foerste 1923
†Sphenosphaera consimilis Savage 1913
†Sphenosphaera eiseni Lindström 1884
†Sphenosphaera fiscellostriata Foerste 1887
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Invalid names: Sphenosphaera exigua Foerste 1887 [synonym]
†Sphenosphaera kepinensis Yü 1961
†Sphenosphaera laurentinus Twenhofel 1928
†Sphenosphaera mohri Miller 1874
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Invalid names: Bellerophon cincinnatiensis Miller and Faber 1894 [synonym], Bellerophon parksi Foerste 1924 [synonym]
†Sphenosphaera nana Ulrich and Scofield 1897
†Sphenosphaera opertus Foerste 1893
†Sphenosphaera platystoma Meek and Worthen 1868
†Sphenosphaera recurvus Ulrich and Scofield 1897
†Sphenosphaera rogersensis Foerste 1914
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Invalid names: Sphenosphaera clausus Ulrich and Scofield 1897 [replaced]
†Sphenosphaera similis Ulrich and Scofield 1897
†Sphenosphaera subangularis Ulrich and Scofield 1897
†Sphenosphaera subpatula Ulrich and Scofield 1897
†Sphenosphaera troosti de Ferrusac and d'Orbigny 1840
Diagnosis
No diagnoses are available