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Cyrtosymbole (Cyrtodechenella)
Taxonomy
Cyrtosymbole (Cyrtodechenella) was named by Richter (1950) [Sepkoski's age data: D Eife D Fras Sepkoski's reference number: 421,1106].
It was reranked as Cyrtodechenella by Zhou et al. (2000), Jell and Adrain (2002) and Sepkoski (2002).
It was assigned to Cyrtosymbole by Richter and Richter (1950); to Dechenellinae by Zhou et al. (2000); to Proetida by Sepkoski (2002); and to Proetidae by Jell and Adrain (2002).
It was reranked as Cyrtodechenella by Zhou et al. (2000), Jell and Adrain (2002) and Sepkoski (2002).
It was assigned to Cyrtosymbole by Richter and Richter (1950); to Dechenellinae by Zhou et al. (2000); to Proetida by Sepkoski (2002); and to Proetidae by Jell and Adrain (2002).
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1950 | Cyrtosymbole (Cyrtodechenella) Richter |
1950 | Cyrtosymbole (Cyrtodechenella) Richter and Richter |
2000 | Cyrtodechenella Zhou et al. p. 470 |
2002 | Cyrtodechenella Jell and Adrain p. 363 |
2002 | Cyrtodechenella 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.
Subg. †Cyrtosymbole (Cyrtodechenella) Richter 1950
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Diagnosis
No diagnoses are available