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Taxonomy
Arca scalaris was named by Conrad (1844) [DISTRIBUTION: Late Miocene-Late Pliocene; Atlantic Coastal Plain.]. It is not a trace fossil.
It was recombined as Scapharca scalaris by Conrad (1863); it was recombined as Scapharca (Cunearca) scalaris by Dall (1898); it was recombined as Arca (Cunearca) scalaris by Mansfield (1932); it was recombined as Anadara (Cunearca) scalaris by Gardner (1943); it was recombined as Cunearca scalaris by Ward (1992).
It was recombined as Scapharca scalaris by Conrad (1863); it was recombined as Scapharca (Cunearca) scalaris by Dall (1898); it was recombined as Arca (Cunearca) scalaris by Mansfield (1932); it was recombined as Anadara (Cunearca) scalaris by Gardner (1943); it was recombined as Cunearca scalaris by Ward (1992).
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.
†Cunearca scalaris Conrad 1844
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Diagnosis
No diagnoses are available