Bivalvia - Ostreida - Malleidae

Full reference: E. Rossi de Garcia and R. Levy. 1977. Fauna de la Formacion Arroyo Verde, Eoceno de la Provincia de Rio Negro, Argentina. Revista de la Asociacíon Paleontológica Argentina 14(1-4):45-51

Belongs to Isognomon according to E. Rossi de Garcia and R. Levy 1977

Sister taxa: Isognomon (Hippochaeta), Isognomon (Iranognomon), Isognomon (Isognomon), Isognomon (Melina), Isognomon (Mulletia), Isognomon (Parviperna), Isognomon (Semignomon), Isognomon alatus, Isognomon bicolor, Isognomon gariesensis, Isognomon gaudichaudi, Isognomon isognomoides, Isognomon isognomon, Isognomon isognomonoides, Isognomon legumen, Isognomon maxillata, Isognomon nucleus, Isognomon orientalis, Isognomon perna, Isognomon quadrisulcata, Isognomon radiatus, Isognomon repini

Ecology: stationary epifaunal suspension feeder

Distribution: found only at Arroyo Verde Fm (Eocene of Argentina)

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Specimen images are retrieved through the ePANDDA API.