Marginella (Cryptospira) dactylus Lamarck 1822 (margin shell)
Gastropoda - Neogastropoda - Marginellidae
Alternative combination: Marginella dactylus
Belongs to Marginella (Cryptospira) according to C. H. Oostingh 1935
Sister taxa: Cryptospira (Euryentome), Cryptospira (Euryentome) silabra, Marginella (Cryptospira) birmanica, Marginella (Cryptospira) ventricosa
Ecology: epifaunal carnivore