This taxon is considered nomen vanum, species not entered
of the valid taxon Plesiosauridae
according to the Paleobiology Database.
See the page for Plesiosauridae →
Bibliography
Original description
S. P. Welles. 1962. A new species of elasmosaur from the Aptian of Colombia and a review of the Cretaceous plesiosaurs. University of California Publications in Geological Sciences 44(1):1-96