Bivalvia - Trigoniida - Trigoniidae

Belongs to Trigonia according to Cragin 1905

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 taffi, Trigonia thierachensis, Trigonia weaveri, Trigonia zlambachensis

Ecology: facultatively mobile infaunal suspension feeder