†family Gryphaeidae Vialov 1936 (oyster)
Bivalvia - Ostreida - Gryphaeidae
Parent taxon: Ostreoidea according to J. G. Carter et al. 2011
See also Beu 2006, Beu et al. 1990, Bieler and Mikkelsen 2006, Bouchet et al. 2010, El Qot 2006, Gliozzi and Malatesta 1983, Marquet 2002, Maxwell 1992, Moore 1987, Nevesskaja 2009, Ros-Franch et al. 2014, Rosenberg et al. 2006, Squires 1999, Squires 2018, Stilwell 1998, Todd 2001, Vokes 1980 and Ward 1992
Sister taxa: none
Subtaxa: Argutostrea Circunula Exogyrinae Gryphaeinae Gryphaeostreinae Pycnodonteinae Radiolaewellinae
Ecology: stationary epifaunal suspension feeder