Belongs to Plesiosaurus according to R. Owen 1840
Sister taxa: Plesiosaurus bavaricus, Plesiosaurus bitractensis, Plesiosaurus carinatus, Plesiosaurus cliduchus, Plesiosaurus coelospondylus, Plesiosaurus costatus, Plesiosaurus dolichodeirus, Plesiosaurus elasmosaurus, Plesiosaurus exarsostinus, Plesiosaurus grandis, Plesiosaurus hesternus, Plesiosaurus houzeaui, Plesiosaurus macrocephalus, Plesiosaurus macrodeirus, Plesiosaurus mexicanus, Plesiosaurus nitidus, Plesiosaurus platydeirus, Plesiosaurus priscus, Plesiosaurus rostratus, Plesiosaurus subconcavus, Plesiosaurus subtrigonus, Plesiosaurus tessarestarsostinus
Ecology: aquatic carnivore
Distribution: there are no occurrences of Plesiosaurus trigonus in the database
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.