Urosalpinx trossula is an extinct species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.^[1]

Fossils were found in Miocene strata of Virginia, USA.

• Cossmann (M.), 1903 - Essais de Paléoconchologie comparée. Livraison 5, p. 1-215
• Korobkov (I.A.), 1955 - Spravochnik I methodicheskoe revodstvo po tretichnym molliuskam. Briuckhonologie [= Manuel et guide des Mollusques tertiaires, Gastéropodes], p. 1-795
• Blackwelder, Blake W. "Late Cenozoic stages and molluscan zones of the US Middle Atlantic Coastal Plain." Journal of Paleontology 55.S12 (1981): 1-34.