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Cyrtospira
Taxonomy
Cyrtospira was named by Ulrich and Scofield (1897) [Courtesy of Ulrich. Sepkoski's age data: O Llde S Ludl Sepkoski's reference number: 1]. It is not extant. Its type is Cyrtospira tortilis.
It was reranked as Subulites (Cyrtospira) by Knight et al. (1960).
It was assigned to Subulites by Knight et al. (1960); to Subulitidae by Ulrich and Scofield (1897) and Nützel et al. (2000); and to Neotaenioglossa by Sepkoski (2002).
It was reranked as Subulites (Cyrtospira) by Knight et al. (1960).
It was assigned to Subulites by Knight et al. (1960); to Subulitidae by Ulrich and Scofield (1897) and Nützel et al. (2000); and to Neotaenioglossa by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1897 | Cyrtospira Ulrich and Scofield |
1960 | Subulites (Cyrtospira) Knight et al. |
2000 | Cyrtospira Nützel et al. |
2002 | Cyrtospira 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. †Cyrtospira Ulrich and Scofield 1897
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†Cyrtospira abbreviatus Hall 1852
†Cyrtospira aequalis Koken and Perner 1925
†Cyrtospira bicurvata Ulrich and Scofield 1897
†Cyrtospira brevis Winchell and Marcy 1866
†Cyrtospira directus Foerste 1893
†Cyrtospira funata Perner 1903
†Cyrtospira granum Koken and Perner 1925
†Cyrtospira huenei Koken and Perner 1925
†Cyrtospira inexpectata Perner 1903
†Cyrtospira lineatus Koken and Perner 1925
†Cyrtospira nitens Angelin and Lindström 1880
†Cyrtospira notata Billings 1866
†Cyrtospira ornatus Koken and Perner 1925
†Cyrtospira parvula Billings 1865
†Cyrtospira raymondi Hudson 1905
†Cyrtospira tortilis Ulrich and Scofield 1897
†Cyrtospira ventricosus Hall 1852
†Cyrtospira wykoffensis Ulrich and Scofield 1897
†Subulites ventricosus curvus Lindström 1884
Diagnosis
No diagnoses are available