Superfamily Cyrenoidea Gray 1840 (clam)

Bivalvia - Cardiida

Alternative spelling: Cyrenacea

Parent taxon: Veneroitei according to J. G. Carter et al. 2011

See also Olsson 1931 and Parker 1982

Sister taxa: Arcticoidea, Chamoidea, Gaimardioidea, Glossoidea, Hemidonacoidea, Mactroidea, Ungulinoidea, Veneroidea

Subtaxa: Cyrenidae Cyrenoididae Glauconomidae

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Ecology: facultatively mobile infaunal suspension feeder

Distribution:

• Quaternary of United States (2: Florida collections)

• Miocene of Israel (1), Switzerland (1)

• Ordovician of Estonia (2), Sweden (1)

Total: 7 collections each including a single occurrence

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