Urosalpinx aspinosus is an extinct species of sea snail, a marine gastropod mollusk WMSDB: Urosalpinx aspinosus belonging to the family Muricidae, which includes murex snails or rock snails.
Description
The length of the shell attains 10 mm. Distribution Fossils were found in Oligocene strata of Mississippi, USA.
References
External links Harnik, Paul G. ; Macroecological drivers of extinction risk in early Cenozoic mollusks; The University of Chicago ProQuest Dissertations Publishing, 2009. 3369451.