Tucetona
- Phylum: Mollusca
- Class: Bivalvia
- Order: Arcida
- Family: Glycymerididae
- Genus: Tucetona
- Common Name: Bittersweet (or Dog Cockle) Clams
Overview
Tucetona Iredale, 1939.
Geological range: Late Cretaceous to Recent (source: Paleobiology Database).
Geographic distribution: A distributional map for modern Tucetona may be accessed from OBIS. A distributional map for ancient Tucetona may be accessed from the Paleobiology Database.
Diversity: The WoRMS database recognizes 50 species of extant Tucetona (unvetted). The Paleobiology Database recognizes 12 species from the fossil record (unvetted).
Paleoecology: All species of Tucetona are epifaunal or infaunal suspension feeders and are unattached and actively mobile. Source: Todd (2016).
Phylogenetic status: Unknown. A recent molecular phylogenetic analysis by Combosch and Giribet (2016) found that the extant species Tucetona pectinata is nested within the paraphyletic genus Glycymeris.
