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Stephenicyathus
Taxonomy
Stephenicyathus was named by Voronova et al. (1987) [Sepkoski's age data: Cm Boto-l].
It was assigned to Ajacicyathida by Voronova et al. (1987) and Sepkoski (2002); and to Ethmophyllidae by Debrenne et al. (2015).
It was assigned to Ajacicyathida by Voronova et al. (1987) and Sepkoski (2002); and to Ethmophyllidae by Debrenne et al. (2015).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Stephenicyathus Voronova et al. |
| 2002 | Stephanicyathus Sepkoski |
| 2015 | Stephenicyathus Debrenne et al. p. 990 |
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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. †Stephenicyathus Voronova et al. 1987
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Diagnosis
No diagnoses are available