Tully Monster (Paleocasts)

The Tully Monster. Tullimonstrum gregarium. What was it? Ever since fossils of this marine predator were first discovered in the Mason Creek formation by amateur collector Francis Tully, paleontologists have been baffled trying to decipher its phylogenetic placement and relationships. It has bounced back and forth between invertebrate and vertebrate and at one time or another has been linked to […]

Read more... https://dinotoyblog.com/tully-monster-paleocasts/ #Tullimonstrum