Bivalvia - Cyrtodontida - Cardiolidae

Alternative combinations: Cardiola concentrica, Orbicula concentrica

Belongs to Ontaria according to J. Nagel-Myers 2022

See also Beushausen 1895

Sister taxa: Ontaria iniquistriata, Ontaria suborbicularis

Type specimen: MB.M.2202.1

Ecology: facultatively mobile epifaunal suspension feeder

Distribution: found only at Martenberg near Adorf. Roter Kalk (Devonian of Germany)

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Specimen images are retrieved through the ePANDDA API.