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Taxonomy
Calloarca was named by Gray (1857) [Sepkoski's age data: T Than R Sepkoski's reference number: 1112]. It is extant. Its type is Arca alternata.
It was reranked as Barbatia (Calloarca) by Maury (1917) and Reinhart (1943); it was reranked as Arca (Calloarca) by Olsson (1922).
It was assigned to Arca by Olsson (1922); to Barbatia by Maury (1917) and Reinhart (1943); to Arcinae by Vokes (1980); to Arcidae by Woodring (1973) and Todd (2001); to Arcoida by Sepkoski (2002); and to Calloarcinae by Bouchet et al. (2010).
It was reranked as Barbatia (Calloarca) by Maury (1917) and Reinhart (1943); it was reranked as Arca (Calloarca) by Olsson (1922).
It was assigned to Arca by Olsson (1922); to Barbatia by Maury (1917) and Reinhart (1943); to Arcinae by Vokes (1980); to Arcidae by Woodring (1973) and Todd (2001); to Arcoida by Sepkoski (2002); and to Calloarcinae by Bouchet et al. (2010).
Synonymy list
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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.
G. Calloarca Gray 1857
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Barbatia (Calloarca) alternata Sowerby 1833
†Barbatia (Calloarca) irregularis Dall 1898
†Barbatia (Calloarca) submarylandica Maury 1917
Subg. Calloarca (Calloarca) Gray 1857
Subg. †Calloarca (Taeniarca) Olsson 1965
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Calloarca (Taeniarca) alternata Sowerby 1833
†Calloarca (Taeniarca) cachla Olsson 1964
†Calloarca (Taeniarca) leonensis Mansfield 1932
†Calloarca (Taeniarca) phalacra Dall 1890
†Calloarca (Taeniarca) taeniata Dall 1898
Diagnosis
No diagnoses are available