Gastropoda - Fissurelloidea - Fissurellidae

PaleoDB taxon number: 8968

Parent taxon: Diodorinae according to J. B. Knight et al. 1960

Sister taxa: Diodora, Pseudofissurella, Stromboli

Subtaxa: Megathura crenulata, Megathura vancouverensis

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Ecology: facultatively mobile epifaunal grazer