Gastropoda - Fissurelloidea - Fissurellidae

Parent taxon: Emarginula according to H. S. Ladd 1966

Sister taxa: Emarginula (Altomarginula), Emarginula (Arginula), Emarginula (Emarginula), Emarginula (Semperia), Emarginula (Tauschia), Emarginula abnormis, Emarginula conformis, Emarginula conica, Emarginula crassa, Emarginula fissura, Emarginula incisura, Emarginula kitteli, Emarginula mareana, Emarginula marylandica, Emarginula muensteri, Emarginula multiradiata, Emarginula punctura, Emarginula rosea, Emarginula squammata, Emarginula tropica, Emarginula variegata

Subtaxa: Emarginula (Subzeidora) devota

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Ecology: facultatively mobile epifaunal grazer-carnivore