Cossmannica jacksonensis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. This species is one of many other species known to exist within the genus, Cossmannica. Description The length of the shell measures approximately 6.1 mm. The teleoconch contains eight whorls. Distribution This marine species occurs off the coasts of Queensland, Australia, within the Great Barrier Reef and other various marine areas nearby. References External links To World Register of Marine Species Pyramidellidae Gastropods described in 1906