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Omphalonema
Taxonomy
Omphalonema was named by Grabau (1936) [Sepkoski's age data: P Asse P Dora Sepkoski's reference number: 797,1130]. It is not extant.
It was assigned to Gyronematinae by Knight et al. (1960); to Holopeidae by Horný (1992); to Archaeogastropoda by Sepkoski (2002); and to Oriostomatidae by Wagner (2023).
It was assigned to Gyronematinae by Knight et al. (1960); to Holopeidae by Horný (1992); to Archaeogastropoda by Sepkoski (2002); and to Oriostomatidae by Wagner (2023).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Omphalonema Grabau |
| 1960 | Omphalonema Knight et al. p. 239 |
| 1992 | Omphalonema Horný |
| 2002 | Omphalonema Sepkoski |
| 2023 | Omphalonema Wagner p. G606 |
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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