Bivalvia - Ostreida - Gryphaeidae
Parent taxon: Exogyra according to Vjalov 1936
Sister taxa: Exogyra (Aetostreon), Exogyra (Exogyra), Exogyra africana, Exogyra americana, Exogyra auriformis, Exogyra californica, Exogyra clarki, Exogyra columbella, Exogyra conica, Exogyra contorta, Exogyra davidsoni, Exogyra ganhamoroba, Exogyra griepenkerli, Exogyra inornata, Exogyra lancha, Exogyra miotaurinensis, Exogyra mutatoria, Exogyra ostracina, Exogyra overwegi, Exogyra ponderosa, Exogyra quitmanensis, Exogyra reedi, Exogyra scheibei, Exogyra sergipensis, Exogyra solea, Exogyra tamaulipana, Exogyra upatoiensis, Exogyra wetzleri, Exogyra woolmani, Exogyra yabei
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Exogyra (Costagyra) in the database