Bivalvia - Carditida - Astartidae

Parent taxon: Opis according to Munier-Chalmas 1887

Sister taxa: Opis (Trigonopis), Opis corallina, Opis rosarioensis

Subtaxa: Opis (Coelopis) piettei, Opis (Coelopis) pulchella

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Ecology: facultatively mobile infaunal suspension feeder