Superfamily Carditoidea Fleming 1820 (clam)

Bivalvia - Carditoidea

Parent taxon: Heterodonta according to G. Giribet and W. Wheeler 2002

Sister taxa: Anomalodesmata, Rhaetidiidae, Septibranchia, Solecurtoidomya

Subtaxa: none

Ecology: facultatively mobile infaunal suspension feeder

Distribution:

• Cretaceous of Argentina (2 collections)

• Triassic of United States (1: Utah)

Total: 3 collections each including a single occurrence

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