Gastropoda - Heterostropha - Pyramidellidae
Alternative spelling: Megastomia
Parent taxon: Odostomia according to F. E. Eames 1952
See also Sepkoski 2002
Sister taxa: Odostomia (Amaura), Odostomia (Ividia), Odostomia (Menestho), Odostomia (Odostomia), Odostomia (Oscilla), Odostomia acutidens, Odostomia alexanderi, Odostomia biangulata, Odostomia conoidea, Odostomia cotuhensis, Odostomia crassispirata, Odostomia crenulata, Odostomia cuisensis, Odostomia derivata, Odostomia diaboli, Odostomia granulatus, Odostomia griswoldensis, Odostomia guajirana, Odostomia lignitarum, Odostomia nuttalli, Odostomia obstinata, Odostomia oxia, Odostomia packi, Odostomia pakistanica, Odostomia pellucida, Odostomia plicata, Odostomia pupa, Odostomia reevei, Odostomia santana, Odostomia semicostata, Odostomia simillima, Odostomia simplex, Odostomia sperabilis, Odostomia tenuis, Odostomia turbinatus, Odostomia winlockiana
Subtaxa: Odostomia (Megastomia) infrasubcarinata
Ecology: epifaunal carnivore
Distribution: