ammonites
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†family Grammysiidae Miller 1877 (clam)

Bivalvia - Cardiidia

PaleoDB taxon number: 60523

Synonym: Protomyidae Pomel 1853 (taxon 308654)

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

Sister taxon: Sanguinolitidae

Subtaxa: Asketomorpha, Cardiomorpha, Cercomyopsis, Cimitaria, Cuneamya, Cuneamyinae, Ectogrammysia, Fuchsella, Glyptoconcha, Grammysia, Grammysiinae, Grammysioidea, Prothyris, Protomya, Sedgwickia, Solenomorpha, Zaidiomysia

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Ecology: facultatively mobile infaunal suspension feeder