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Cyrtochites
Taxonomy
Cyrtochites is a genus. It is not extant. Its type is Cyrtochites pinnoides.
It was assigned to Problematica by Sepkoski (2002) and Parkhaev and Demidenko (2010).
It was assigned to Problematica by Sepkoski (2002) and Parkhaev and Demidenko (2010).
Species
C. pinnoides (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Cyrtochites Sepkoski |
| 2010 | Cyrtochites Parkhaev and Demidenko p. 921 |
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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
| Reference | Diagnosis | |
|---|---|---|
| P. Y. Parkhaev and Y. Demidenko 2010 | "Flattened asymmetrical, paired (left and right) sclerites of semicircular to crescent outlines, straight or Scurved in applanation plane, with bent, sharply rounded apex. Aperture of sclerite long, narrow, irregularly lenticular in shape. Outer surface of sclerite sooth or bears indistinct transversal growth lines or with wavy, oblique “longitudinal” ribs." |