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Drepanellina
Taxonomy
Drepanellina was named by Ulrich and Bassler (1923) [Sepkoski's age data: S Ldov-u]. It is not extant.
It was assigned to Beyrichiidae by Benson et al. (1961) and Yi (1993); and to Palaeocopida by Sepkoski (2002).
It was assigned to Beyrichiidae by Benson et al. (1961) and Yi (1993); and to Palaeocopida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Drepanellina Ulrich and Bassler |
| 1961 | Drepanellina Benson et al. |
| 1993 | Drepanellina Yi p. 568 |
| 2002 | Drepanellina 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.
Diagnosis
No diagnoses are available