Bivalvia - Trigoniida - Trigoniidae

Belongs to Trigonia according to Cragin 1893

Sister taxa: Trigonia (Kumatrigonia), Trigonia (Trigonia), Trigonia antiqua, Trigonia castrovillensis, Trigonia coqueiroensis, Trigonia cragini, Trigonia eufaulensis gabbi, Trigonia eufaulensis moorei, Trigonia guildi, Trigonia hemisphaerica, Trigonia intersitans, Trigonia kitchini, Trigonia maloneana, Trigonia marginata, Trigonia mearnsi, Trigonia pullus, Trigonia reesidei, Trigonia resoluta, Trigonia reticulata, Trigonia saavedra, Trigonia somaliensis, Trigonia stantoni, Trigonia stolleyi, Trigonia sulcata, Trigonia thierachensis, Trigonia vyschetzkii, Trigonia weaveri, Trigonia zlambachensis

Ecology: facultatively mobile infaunal suspension feeder