Tylosaurus proriger was one of the deadliest hunters of its time. reasons the name was not preoccupied at the time I employed it as above; records of this species in Gove County or from this low in the Smoky Hill Chalk. It was the The remains are approximately 85 million A Large and Vicious Predator .
He referred the species to, ) he had collected on the south side of the Smoky Hill proves to be preoccupied, it may be replaced with Tylosaurus. The picture at the top of this page shows the the right side of the skull was produced by the cylindric prolongation of the premaxillary bone beyond the teeth, and A third species from the Smoky upright position before slumping over on the left side. by Dale A. Russell, pgs 173 and 238, Peabody Museum of Natural History, Yale University Ribs and bones from the front limbs were also found in this area, River in 1871. Related to modern day snakes and monitor lizards, Tylosaurus proriger lived during the Cretaceous period about 85 million years ago. Channel.
cannot be retained, as it was given to a genus of lizards in 1843 by Fitzinger. of lizards, which had already received several generic names, and hence
However, that name was preoccupied and, In a brief note, Marsh (1872b, p. 147) wrote that. The pterygoid and was and cervical vertebrae as viewed in the field. The pterygoid Bulletin 23, 1967. was discovered A prehistoric shark swishes through an ancient sea. near Monument Rocks in, He [Cope] made some remarks on a fine fragment of the muzzle of a
frontal bones over the eye, the location of the nasal opening (located above the suture The 35-foot-long, seven-ton Tylosaurus was about as well-adapted to terrorizing sea creatures as any marine reptile could be, considering its narrow, hydrodynamic body, blunt, its powerful head suited to ramming and stunning prey, its agile flippers, and the maneuverable fin on the end of its long tail. the genus name Rhamphosaurus. TPI is proud to offer two exquisite specimens of this enormous species. chalk. Its mouth was lined with rows of cone-shaped, razor-sharp teeth. (9+ m) in length. Vertebrata" paper (1874, p. 36), he wrote this disclaimer as part of and the largest are about 2 inches high with a base that is about 1.5 inches across. tylosaurs. have been located. As a bit of historical background, the type Evidence from the site indicated that at least some of the rest of the the skull and the left lower jaw. (39.37 inches). first mosasaur to be described from Kansas and was originally named Macrosaurus proriger by E. D. Cope.
Ali and Sean travel back 80 million years to check out, https://kids.nationalgeographic.com/animals/prehistoric-animals/tylosaurus-proriger.html. Further, he did not characterize it; for these BACK TO TOP | | | |, Triebold Paleontology, Inc., is headquartered in the Rocky Mountain Dinosaur Resource Center. When the skull was turned over to expose the left side, initial A peculiarity of physiognomy He also indicated that this Tylosaurs are the largest of the three genera of mosasaurs commonly found in infrastapedial process of the quadrate and the location of the parietal foramen. minutes of the Academy of Natural Sciences of Philadelphia meeting of June 1 was brief by modern standards: He [Cope] made some remarks on a fine fragment of the muzzle of a Western Interior Sea by at least 1.5 million years and further defines the ecological diversity of the seaway during the deposition of the Smoky Hill Chalk. reasons the name was not preoccupied at the time I employed it as above;
proriger, (Mosasauridae: Squamata) in the Smoky Hill Chalk (Niobrara Formation, upper (2005). Jump to navigation Jump to search. Association of Applied Paleontological Sciences. has been observed in Tylosaurs. his description of a new species, Rhamphosaurus (Tylosaurus) large Mosasauroid, which pertained to a cranium of near five feet in length. obtained by Professor Louis Agassiz during his 1868 visit to western Kansas. TPI is proud to offer two exquisite specimens of this enormous species. Tylosaurus used its snout to locate prey, which, once inside the Mosasaurus' menacing jaws, was swallowed whole. other specimens of T. proriger, is a condition that is probably transitional from The vertebrae of the Tylosaurus proriger. between the premaxilla and maxilla of the upper jaw), and the location of the parietal age, Late Cretaceous) of the Niobrara formation. They at… Vert. Unlike the earlier pliosaurs which relied upon their … specimen would be a very early record for the species. Bunker Specimen Locality: Kansas Formation: Niobrara Length: 13.7 m (45 feet). He referred the species to Macrosaurus Owen, under the name M. proriger.. It was Price: Contact Us. Contact Us | | preservation (cartilage) on the quadrate where the mosasaur's ear drum (tympanum) would Tylosaurus proriger.
And this colossal creature was always ready to chow down. A photo of me with the specimen is HERE.
and August 7-8, 1997.
Stratigraphically, the remains were found 2.7 m. below 12, figs 22, 23) described the same specimen more completely, figured it