Bivalvia - Cardiida - Mactridae

Parent taxon: Mactrinae according to E. J. Moore 2003

See also Sepkoski 2002

Sister taxa: Aliomactra, Allomactra, Andrusella, Avimactra, Crepispisula, Cryptomactra, Cymbophora, Diaphoromactra, Eopapyrina, Geltena, Harvella, Labiosa, Mactra, Mactrellona, Mactrinula, Mactrodesma, Mactromeris, Nannomactra, Notospisula, Nymphactra, Ovamactra, Oxyperas, Priscomactra, Pseudocardium, Scalpomactra, Standella, Telemactra, Trinitasia

Subtaxa: Stereomactra abscissa

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Ecology: facultatively mobile infaunal suspension feeder

Distribution: found only at Hoots locality 53, east of Cahuenga Park, Santa Monica Mountains (Miocene of California)

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Specimen images are retrieved through the ePANDDA API.