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Drepanellidae
Taxonomy
Drepanellidae was named by Ulrich and Bassler (1923).
It was assigned to Beyrichiacea by Henningsmoen (1953); to Drepanellacea by Benson et al. (1961); to Palaeocopida by Khivintseva (1969); to Drepanelloidea by Schallreuter and Hinz-Schallreuter (2011); and to Binodicopina by Mohibullah et al. (2013).
It was assigned to Beyrichiacea by Henningsmoen (1953); to Drepanellacea by Benson et al. (1961); to Palaeocopida by Khivintseva (1969); to Drepanelloidea by Schallreuter and Hinz-Schallreuter (2011); and to Binodicopina by Mohibullah et al. (2013).
Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Drepanellidae Ulrich and Bassler |
| 1953 | Drepanellidae Henningsmoen |
| 1961 | Drepanellidae Benson et al. |
| 1969 | Drepanellidae Khivintseva p. 85 |
| 2011 | Drepanellidae Schallreuter and Hinz-Schallreuter p. 72 |
| 2013 | Drepanellidae Mohibullah et al. p. 19 |
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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.
Fm. †Drepanellidae Ulrich and Bassler 1923
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G. †Acantonodella Zaspelova 1952
G. †Boursella Turner 1939
G. †Drepanella
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†Drepanella richardsoni Miller 1874
†Drepanella richardsoni canadensis Ulrich 1890
G. †Duplexibollia Schallreuter 1987
G. †Neodrepanella Zaspelova 1952
G. †Nodella Zaspelova 1952
G. †Parulrichia
G. †Planusella
G. †Quadricollina
G. †Scofieldia Ulrich and Bassler 1908
Invalid names: Bolliinae Boucek 1936 [empty], Drepanellinae Ulrich and Bassler 1923 [empty], Nodellinae Zaspelova 1952 [empty]
Diagnosis
No diagnoses are available