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Geological range: Miocene to Pleistocene (source: Paleobiology Database).

Geographic distribution: A distributional map for Costaglycymeris may be accessed from the Paleobiology Database.

Diversity: The WoRMS database recognizes no extant species of Costaglycymeris (unvetted). The Paleobiology Database recognizes 5 species from the fossil record (unvetted).

Paleoecology: As members of the Glycymerididae, it is assumed that all species of Costaglycymeris are epifaunal or infaunal suspension feeders and are unattached and actively mobile. Source: Todd (2016).

Phylogenetic status: Unknown.

Costaglycymeris Species present in the Neogene of the Southeastern United States