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Sigmocyathoidea
Taxonomy
Sigmocyathoidea was named by Krasnopeeva (1953). It is not extant. Its type is Sigmocyathus.
It was assigned to Ajacicyathina by Debrenne et al. (2015).
It was assigned to Ajacicyathina by Debrenne et al. (2015).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Sigmocyathoidea Krasnopeeva |
| 2015 | Sigmocyathoidea Debrenne et al. p. 994 |
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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.
Superfm. †Sigmocyathoidea Krasnopeeva 1953
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| References: Kiessling 2004, Bambach et al. 2007 | |||||