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Taxonomy
Euloma was named by Angelin (1854) [Sepkoski's age data: Cm Trep-u O Aren-l Sepkoski's reference number: 1081].
It was reranked as Ptychoparia (Euloma) by Walcott (1884).
It was assigned to Ptychoparia by Walcott (1884); to Ptychopariida by Sepkoski (2002); and to Eulomidae by Jell and Adrain (2002).
It was reranked as Ptychoparia (Euloma) by Walcott (1884).
It was assigned to Ptychoparia by Walcott (1884); to Ptychopariida by Sepkoski (2002); and to Eulomidae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1854 | Euloma Angelin |
| 1884 | Ptychoparia (Euloma) Walcott p. 51 |
| 1895 | Calymenopsis Bergeron |
| 2002 | Euloma Jell and Adrain p. 375 |
| 2002 | Euloma 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. †Euloma Angelin 1854
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Subg. †Euloma (Plecteuloma) Shergold 1975
†Euloma granulatum Ruzicka 1926
†Ptychoparia (Euloma) affinis Walcott 1884
†Ptychoparia (Euloma) dissimilis Walcott 1884
Invalid names: Calymenopsis Bergeron 1895 [synonym]
Diagnosis
No diagnoses are available