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Cnemidiastrum
Taxonomy
Cnemidiastrum was named by Zittel (1878) [Sepkoski's age data: J Oxfo-l T Mi-u-l Sepkoski's reference number: 698,1066]. It is not extant. It is the type genus of Cnemidiastridae.
It was assigned to Lithistida by Sepkoski (2002); and to Cnemidiastridae by Finks et al. (2004).
It was assigned to Lithistida by Sepkoski (2002); and to Cnemidiastridae by Finks et al. (2004).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1878 | Cnemidiastrum Zittel |
1937 | Lithostrobilus Schrammen |
2002 | Cnemidiastrum Sepkoski |
2002 | Lithostrobilis Sepkoski |
2004 | Cnemidiastrum Finks et al. p. 291 |
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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. †Cnemidiastrum Zittel 1878
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Subg. †Cnemidiastrum (Tremastrum) Schrammen 1924
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†Cnemidiastrum (Tremastrum) pluristellatum Zittel 1878
†Cnemidiastrum almeriae Brimaud and Vachard 1986
†Cnemidiastrum reticulatus Lagneau-Herenger 1962
†Cnemidiastrum stellatum Goldfuss 1826
Invalid names: Lithostrobilis [synonym], Lithostrobilus Schrammen 1937 [objective synonym]
Diagnosis
No diagnoses are available