Bivalvia - Trigoniida - Pterotrigoniidae

Alternative combination: Oistotrigonia austronana

Full reference: J. D. Stilwell and S. J. Gallagher. 2009. Biostratigraphy and macroinvertebrate palaeontology of the petroleum-rich Belfast Mudstone (Sherbrook Group, uppermost Turonian to mid-Santonian), Otway Basin, southeastern Australia. Cretaceous Research 30:873-884

Belongs to Orbigonina according to M. R. Cooper 2015

See also Stilwell and Gallagher 2009

Sister taxa: Orbigonina antarctica, Orbigonina piripauana, Orbigonina saunali

Type specimen: Its type locality is Otway Basin, Drik Drik-1 Well, which is in a Coniacian prodelta mudstone/sandstone in the Belfast Mudstone Formation of Australia

Ecology: facultatively mobile infaunal suspension feeder

Distribution: found only at Otway Basin, Drik Drik-1 Well

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Specimen images are retrieved through the ePANDDA API.