Gastropoda - Lepetellida - Fissurellidae
Parent taxon: Emarginula according to O. Mandic and F. F. Steininger 2003
See also Knight et al. 1960, Ladd 1966, Ladd 1982, Pacaud and Le Renard 1995 and Szabo 1980
Sister taxa: Emarginula (Altomarginula), Emarginula (Arginula), Emarginula (Semperia), Emarginula (Subzeidora), Emarginula (Tauschia), Emarginula abnormis, Emarginula bella, Emarginula clathrata, Emarginula clathrataeformis, Emarginula clypeata, Emarginula conformis, Emarginula conica, Emarginula costata, Emarginula crassa, Emarginula dotyhillsensis, Emarginula elegans, Emarginula elongata, Emarginula fissura, Emarginula gabbi, Emarginula incisura, Emarginula kitteli, Emarginula mareana, Emarginula marylandica, Emarginula muensteri, Emarginula multiradiata, Emarginula punctura, Emarginula radiola, Emarginula reticulata, Emarginula rosea, Emarginula squammata, Emarginula striatissima, Emarginula tropica, Emarginula variegata, Emarginula washingtoniana
Subtaxa: Emarginula (Emarginula) bicancellata Emarginula (Emarginula) clypeus Emarginula (Emarginula) souberbiana Emarginula (Emarginula) vadanaei
Ecology: facultatively mobile epifaunal grazer-carnivore
Distribution: