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Sphenotus
Taxonomy
Sphenotus was named by Hall (1884).
It was synonymized subjectively with Sanguinolites by Moore (1969).
It was assigned to Bivalvia by Easton (1962); and to Grammysiidae by Pojeta et al. (1986).
It was synonymized subjectively with Sanguinolites by Moore (1969).
It was assigned to Bivalvia by Easton (1962); and to Grammysiidae by Pojeta et al. (1986).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1884 | Sphenotus Hall |
1962 | Sphenotus Easton p. 97 |
1986 | Sphenotus Pojeta et al. pp. 85 - 86 |
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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. †Sphenotus Hall 1884
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†Sphenotus aeolus Hall and Whitfield 1869
†Sphenotus altidorsatus Easton 1962
†Sphenotus branneri Girty 1910
†Sphenotus cataractes Reed 1944
†Sphenotus cherokeense Snider 1915
†Sphenotus dubius Girty 1910
†Sphenotus gibsonense Snider 1915
†Sphenotus hicksii Whidborne 1896
†Sphenotus meslerianus Girty 1910
†Sphenotus monroensis Worthen 1884
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Invalid names: Sanguinolites acutiliratus Croneis 1930 [synonym], Sphenotus vulgaris Croneis 1930 [synonym]
†Sphenotus oklahomense Snider 1915
†Sphenotus pisinnus Hoare et al. 1989
†Sphenotus quadriplicatum Snider 1915
†Sphenotus solenoides Hall 1870
†Sphenotus tentoriolus Chronic 1949
†Sphenotus tiogensis McAlester 1962
†Sphenotus washingtonensis Girty 1910
Diagnosis
Reference | Diagnosis | |
---|---|---|
J., Jr. Pojeta et al. 1986 | Grammysiids having one or more radial ribs dorsal to the posteroumbonal ridge and fine Comarginal ornament anterior to the ridge. |