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Costatheca
Taxonomy
Costatheca was named by Rozanov et al. (1969) [Missarzhevsky in Rozanov et al. 1969; Sepkoski's age data: Cm Atda-u Sepkoski's reference number: 268]. Its type is Quadrotheca clinisepta.
It was assigned to Circothecida by Sepkoski (2002).
It was assigned to Circothecida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Costatheca Rozanov et al. pp. 146-147 |
| 2002 | Costatheca 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