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Ulrichidiscus
Taxonomy
Ulrichidiscus was named by Bassler (1935) [Sepkoski's age data: C Serp-l Sepkoski's reference number: 318].
It was assigned to Isorophida by Sepkoski (2002); and to Agelacrinitidae by Regnéll (1966), Sumrall (1996) and Sumrall et al. (2006).
It was assigned to Isorophida by Sepkoski (2002); and to Agelacrinitidae by Regnéll (1966), Sumrall (1996) and Sumrall et al. (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Ulrichidiscus Bassler |
| 1966 | Ulrichidiscus Regnéll |
| 1996 | Ulrichidiscus Sumrall p. 974 |
| 2002 | Ulrichidiscus Sepkoski |
| 2006 | Ulrichidiscus Sumrall et al. p. 237 |
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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.
Diagnosis
No diagnoses are available