Rugiloricus cauliculus is a species of marine animal of the phylum Loricifera and the family Pliciloricidae.

The species was described by Higgins & Kristensen in 1986,[1] however other sources such as OBIS indicate that discovery of the species occurred on 19 November 1983.

[2] This species is noted for the coast of Atlantic Ocean of North Carolina, United States.

[3] Data related to Rugiloricus cauliculus at Wikispecies

This protostome-related article is a stub.