This taxon is considered nomen vanum, species not entered
of the valid taxon Dolichorhynchops
according to the Paleobiology Database.
See the page for Dolichorhynchops →
Bibliography
Original description
S. W. Williston. 1908. North American plesiosaurs Trinacromerum. Journal of Geology 16(8):715-736
DOI ↗