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Extinct genus of marine squamate reptiles
the type species of the genus Tylosaurus named in 1872 by Othniel Charles Marsh. Fossil evidence shows that Tylosaurus regularly engaged in intraspecific
Tylosaurus
Studies of an extinct aquatic reptile
Marsh to Tylosaurus, and one of them was placed in synonymy with the type species T. proriger by Dale A. Russell in 1967. Cope described Tylosaurus in 1870
Research history of Tylosaurus
Research_history_of_Tylosaurus
Extinct subfamily of lizards
subfamily includes the genera Tylosaurus, Taniwhasaurus, and Kaikaifilu, although some scientists argue that only Tylosaurus and Taniwhasaurus should be
Tylosaurinae
Morocco. The genus Hainosaurus is generally regarded as a synonym of Tylosaurus. In 2025, Bardet and colleagues tentatively recognized H. "boubker" as
List of informally named Mesozoic reptiles
List_of_informally_named_Mesozoic_reptiles
Extinct marine lizards of the Late Cretaceous
which enabled them to gulp down their prey almost whole. A skeleton of Tylosaurus proriger from South Dakota included remains of the flightless diving seabird
Mosasaur
Extinct genus of marine lizard from the Late Cretaceous
competition with other large predatory mosasaurs such as Prognathodon and Tylosaurus—which were known to feed on similar prey—though they were able to coexist
Mosasaurus
Extinct genus of marine squamate reptiles
basal position to Taniwhasaurus spp. and the second as a sister taxon to Tylosaurus. In the study officially describing it, all the analyzes carried out also
Kaikaifilu
Genus of mosasaurid marine reptile
indistinguishable with Tylosaurus. They also noted that the length of the external nares was within the known range of Tylosaurus and additionally argued
Hainosaurus
2007 American film
passing Tylosaurus killing the shark, albeit with a tooth embedded in her flipper. Later, Dolly's brother is swallowed whole by a young Tylosaurus, who in
Sea Monsters: A Prehistoric Adventure
Sea_Monsters:_A_Prehistoric_Adventure
Extinct genus of lizards
reconstructed the thermoregulatory modes of Platecarpus and the related Tylosaurus from the Smoky Hill Chalk Member of the Niobrara Formation on the basis
Platecarpus
Geologic formation in Texas, United States
to the Cretaceous period. The holotype specimen of the large mosasaur Tylosaurus rex is known from this formation. Earth sciences portal Texas portal Paleontology
Wolfe_City_Formation
of 1.2–1.25 m (3.9–4.1 ft). The largest mosasaurs were Mosasaurus and Tylosaurus species, which grew to lengths of around 11–13 meters (36–43 ft). The
List of largest extinct lizards
List_of_largest_extinct_lizards
Extinct genus of marine squamate reptiles
transfer this taxon within the genus Tylosaurus, a proposal that was carried out in 1971, being renamed Tylosaurus haumuriensis. Welles and Gregg also
Taniwhasaurus
and Tylosaurus nepaeolicus. The upper was home to Clidastes, Platecarpus ictericus, and Tylosaurus proriger. He regarded Platecarpus and Tylosaurus as
Timeline_of_mosasaur_research
Fossil reconstructed from elements of more than one species
Polacanthoides? Precursor? Protathlitis? Protoavis Saurophaganax? "Teihivenator" "Tylosaurus" capensis Ultrasauros Variraptor Mayell, Hillary (20 November 2002). "Dino
Chimera_(paleontology)
Extinct genus of lizards
Halisaurus would have been dwarfed by many of its contemporaries, such as Tylosaurus and larger species of Clidastes. Halisaurus appeared relatively early
Halisaurus
Extinct genus of mosasaurids
Yaguarasaurus columbianus Russellosaurus coheni Tethysaurus nopcsai Tylosaurus kansasensis Tylosaurus proriger Plioplatecarpinae Ectenosaurus clidastoides Angolasaurus
Selmasaurus
Extinct genus of lizards
animal "about two-thirds the size of the specimen of Tylosaurus dyspelor," referring to a Tylosaurus skeleton measuring 8.83 meters (29.0 ft) in length
Plotosaurus
Extinct genus of shark
predators that arose around the same time, most notably the giant mosasaur Tylosaurus. Other possible factors include the gradual disappearance of the Western
Cretoxyrhina
Extinct genus of lizards
Plesiotylosaurus, meaning "near Tylosaurus", is an extinct genus of marine lizard belonging to the mosasaur family. It is classified as part of the Mosasaurinae
Plesiotylosaurus
Polcyn, M. J. (2026). "Redescription of the holotypes of Tylosaurus proriger and Tylosaurus nepaeolicus (Squamata: Mosasauridae)". Deinsea. 24: 1–21.
2026_in_reptile_paleontology
2011 episodic adventure video game
seem to work, she releases a captive Tylosaurus into the lagoon, despite Gerry's pleading. The newly freed Tylosaurus slams into the side of the facility
Jurassic_Park:_The_Game
Heart And Yummie
know at first that Heart is a carnivore, until the two are attacked by a Tylosaurus, which Heart kills by ripping off one of its flippers. Heart promises
You_Are_Umasou
1970 film by Val Guest
dinosaur. The two are subsequently discovered and Tara is sacrificed to a Tylosaurus by Kingsor. Tara manages to escape and returns to Sanna. The tribe then
When Dinosaurs Ruled the Earth
When_Dinosaurs_Ruled_the_Earth
Extinct genus of lizards
Woolley et al. (2022) reclassified T. capensis, originally assigned to Tylosaurus and later to Taniwhasaurus, as a chimera of two different mosasaur genera
Prognathodon
Extinct genus of mosasaurs
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Khinjaria
Second era of the Phanerozoic Eon
Tylosaurus (a mosasaur) hunting Xiphactinus
Mesozoic
Historic group of crustaceans
(2017) as the most exclusive mosasaurid clade including Mosasaurus and Tylosaurus but not Halisaurus. S. De Grave & C. H. J. M. Fransen (2011). "Carideorum
Natantia
Extinct squamates of the Cretaceous period
including only Clidastes) and the Mosasauridae (including Macrosaurus [?=Tylosaurus], Mosasaurus, and Platecarpus). However, a close relationship between
Mosasauria
2026 American documentary series
catches fish in a shallow sea dividing North America, but mosasaurs (Tylosaurus) remain a constant threat. Further north, a mother hadrosaur (Edmontosaurus
The_Dinosaurs_(miniseries)
Extinct genus of mosasaurs
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Bentiabasaurus
of the tylosaurine mosasaur Hainosaurus pembinensis Nicholls, 1988, as Tylosaurus pembinensis (Nicholls, 1988). Journal of Vertebrate Paleontology 30(2):416-426
List of mosasaur-bearing stratigraphic units
List_of_mosasaur-bearing_stratigraphic_units
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Opetiosaurus
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Carinodens
Extinct genus of mosasaurs
even larger than the front flippers, which is otherwise only seen in Tylosaurus. The neural spines of the Megapterygius holotype posterior dorsal vertebrae
Megapterygius
Genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Portunatasaurus
Thalassotitan Halisaurinae Eonatator Halisaurus Tylosaurinae Hainosaurus Tylosaurus Taniwhasaurus Plioplatecarpinae Platecarpus Plioplatecarpus Selmasaurus
List_of_marine_reptiles
Extinct genus of lizards
properly marine predatory forms alongside other early hydropedal genera like Tylosaurus and Platecarpus. It was likely an agile swimmer that preyed upon cephalopods
Clidastes
Extinct genus of lizards
This bone is also about three-quarters the length of the tibia, unlike Tylosaurus and Platecarpus, in which the fibula is the same length as the tibia.
Eremiasaurus
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Phosphorosaurus
Extinct genus of lizards
31:1) is most similar to Tylosaurus nepaeolicus (6.18:1) among other mosasaurs, followed by Plesiotylosaurus (5.64:1) and Tylosaurus proriger (5.3:1). The
Goronyosaurus
Extinct subfamily of lizards
containing Halisaurus platyspondylus, but not Mosasaurus hoffmannii, Tylosaurus proriger, Tethysaurus nopcsai, or Yaguarasaurus colombianus". Since the
Halisaurinae
Extinct genus of mosasaur
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Thoraxion
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Aigialosaurus
2011 American TV series or program
Mosasaurus by the web site for the program, while Krentz has stated it was a Tylosaurus.) Pete Von Sholly blogged in 2011, saying that a "proper version" would
Dinosaur_Revolution
Extinct subfamily of mosasaurs
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Tethysaurinae
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Haasiasaurus
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Pannoniasaurus
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Komensaurus
Third and last period of the Mesozoic Era
the early Cretaceous: a Woolungasaurus is attacked by a Kronosaurus. Tylosaurus was a large mosasaur, carnivorous marine reptiles that emerged in the
Cretaceous
Geological formation in the United States
and Mississippi A plioplatecarpine Plioplatecarpus P. sp. nov. Mississippi A plioplatecarpine Tylosaurus T. sp. Alabama and Mississippi A tylosaurine
Demopolis_Chalk
Museum in Wichita, Kansas
Among the many items on display are Tyrannosaurus, Daspletosaurus, and Tylosaurus specimens (Including "Ivan the T. rex"), Egyptian mummies, signatures
Museum_of_World_Treasures
2026 American documentary series
sternbergi, which falls prey to a Cretoxyrhina. Finally, a large mosasaur (Tylosaurus) arrives to dispatch the Cretoxyrhina as the nodosaur carcass sinks to
Surviving_Earth
Extinct genus of lizards
species of Liodon were described. In addition to material later assigned to Tylosaurus, the three most enduring species assigned to Liodon were L. sectorius
Liodon
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Latoplatecarpus
List of life forms
2002. New data on plesiosaur remains found as stomach contents of a Tylosaurus proriger (Squamata; Mosasauridae) from the Niobrara Formation of western
Paleobiota of the Niobrara Formation
Paleobiota_of_the_Niobrara_Formation
Fourth and current eon of the geological timescale
Tylosaurus, a type of large marine lizards known as mosasaurs
Phanerozoic
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Kourisodon
Genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Plioplatecarpus
Extinct genus of ray-finned fishes
Xiphactinus audax, a.k.a. the "X-fish", the state fossil of Kansas. Ultimately, Tylosaurus was selected instead. sic Vavrek, M.J.; Murray, A.M.; Bell, P.R. (2016)
Xiphactinus
2012 South Korean film
a long fight in the ocean, One-Eye is attacked and eaten by a pair of Tylosaurus. Speckles at first avenged for his family and love interest, then eventually
Speckles:_The_Tarbosaurus
Museum in Tokyo, Japan
Triceratops named "Raymond" Largest taxidermy of Mola mola Basilosaurus and Tylosaurus The largest fragment of Nantan meteorite Tyrannosaurus rex Moon rock Taxidermy
National Museum of Nature and Science
National_Museum_of_Nature_and_Science
Extinct genus of basal mosasaur
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Russellosaurus
are the largest-known squamates. The largest-known mosasaur is likely Tylosaurus rex, with the largest known specimen reaching a length of 13.2 m (43 ft)
Largest_prehistoric_animals
Order of reptiles (fossil)
"Plesiosaurs as the food of mosasaurs; new data on the stomach contents of a Tylosaurus proriger (Squamata; Mosasauridae) from the Niobrara Formation of western
Plesiosaur
Natural History Museum of Utah Turonian Tropic Shale Utah (USA) Tylosaurus proriger Tylosaurus MCZ 4374 Museum of Comparative Zoology, Harvard University,
List of mosasaur type specimens
List_of_mosasaur_type_specimens
Genus of pterosaur of the Late Cretaceous
common marine reptiles, with genera including Clidastes, Mosasaurus and Tylosaurus. At least some of these marine reptiles are known to have fed on Pteranodon
Pteranodon
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Ectenosaurus
Extinct genus of reptiles
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Romeosaurus
order were the giant mosasaurs (including Hainosaurus, Mosasaurus, and Tylosaurus), which grew to around 17 m (56 ft) and were projected to weigh up to
List_of_largest_reptiles
Notes Images N/A SDSMT 10439 Tylosaurus proriger United States N/A Hainosaurus N/A Plotosaurus United States N/A Tylosaurus United States N/A Globidens
List of fossils with consumulites
List_of_fossils_with_consumulites
Cretaceous geological formation in Skåne, Sweden
2 ft) Prognathodon and the giant Tylosaurus, which surpassed 10 metres (32.8 ft) in length. Prognathodon and Tylosaurus were likely the local apex predators
Kristianstad_Basin
Extinct family of lizards
common ancestor of Halisaurus platyspondylus, Mosasaurus hoffmannii, and Tylosaurus proriger". This definition highlights the instability of "aigialosaur"
Aigialosauridae
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Xenodens
Turritella †Turritella tippana †Turritella trilira †Turritella vertebroides †Tylosaurus Tympanotonos – or unidentified comparable form Xenophora †Xiphactinus
List of the prehistoric life of Delaware
List_of_the_prehistoric_life_of_Delaware
Geologic formation in North America
of the tylosaurine mosasaur Hainosaurus pembinensis Nicholls, 1988, as Tylosaurus pembinensis (Nicholls, 1988)". Journal of Vertebrate Paleontology. 30
Pierre_Shale
Geological formation in the southern United States
Tylosaurus proriger skull
Eutaw_Formation
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Igdamanosaurus
Extinct genus of titanosauriform dinosaurs
the turtle Angolachelys mbaxi, the mosasaurs Angolasaurus bocagei and Tylosaurus iembeensis, and several plesiosaur fossils. The ecosystem inhabited by
Angolatitan
Extinct genus of mosasaurs
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Oneirosaurus
Genus of reptiles (fossil)
and Trinacromerum; the mosasaurs Mosasaurus, Halisaurus, Prognathodon, Tylosaurus, Ectenosaurus, Globidens, Clidastes, Platecarpus and Plioplatecarpus;
Elasmosaurus
et liber (glorious and free) Provincial grass: big bluestem, fossil: Tylosaurus pembinensis, soil: Newdale soil (Orthic Black Chernozem) New Brunswick
List of Canadian provincial and territorial symbols
List_of_Canadian_provincial_and_territorial_symbols
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Globidens
Research institution and museum in Philadelphia, US
A 43 ft. (13 m) complete fossil specimen of Mosasaur species Tylosaurus rex (with a human for scale) on display
Academy of Natural Sciences of Drexel University
Academy_of_Natural_Sciences_of_Drexel_University
Extinct genus of lizards
the Itombe Formation, shared its habitat with the tylosaurine species Tylosaurus (formerly Mosasaurus) iembeensis and the durophagous shallow-water turtle
Angolasaurus
Geologic formation in North America
Tylosaurus
Bearpaw_Formation
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Pluridens
2007 series of British sci-fi programme
at a local swimming pool is killed by a Cretaceous marine reptile, a Tylosaurus when an anomaly appears there. But when the anomaly disappears and reopens
Primeval_series_1
Geological formation in the United States of America
Tylosaurus proriger
Mooreville_Chalk
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Yaguarasaurus
2003 British television documentary series
different predators present, including 17-metre (56 ft) giant mosasaurs (Tylosaurus). In addition to providing information on the animals encountered, Marven's
Sea_Monsters_(TV_series)
Extinct genus of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Harranasaurus
American painter (1874–1953)
Archaeopteryx, Compsognathus, and Rhamphorhynchus from coastal Jurassic Europe Tylosaurus, Protostega, and Pteranodon from Late Cretaceous seas Corythosaurus, Parasaurolophus
Charles_R._Knight
Extinct tribe of lizards
Pannoniasaurus Tethysaurus Tylosaurinae Hainosaurus? Kaikaifilu? Taniwhasaurus Tylosaurus Yaguarasaurinae Romeosaurus Russellosaurus Yaguarasaurus Related groups
Mosasaurini
Genus of nyctosaurid pterosaur from the Late Cretaceous
such as Clidastes, Ectenosaurus, Eonatator, Halisaurus, Platecarpus and Tylosaurus, several remains of the plesiosaurs Dolichorhynchops and Polycotylus,
Nyctosaurus
flying fossil) Pteranodon longiceps 2014 Cretaceous Tylosaurus (state marine fossil) Tylosaurus kansasensis 2014 Kentucky Ordovician– Pennsylvanian Brachiopod
List_of_U.S._state_fossils
formation, although none have yet been referred to a specific genus. Tylosaurus cf. (kansasensis) nepaeolicus Inoceramus sp. Globochaete alpina Favusella
Ojinaga_Formation
Fictional Hollow Earth invented by Edgar Rice Burroughs
in the crater of a dead volcano. Troodon — Pellucidarian name unknown. Tylosaurus — Pellucidarian name unknown. Tyrannosaurus (Zarith) — The Tyrannosaurus
Pellucidar
Geologic formation in Matanuska Valley, Alaska, U.S.
of the marks were similar to those of teeth from the mosasaur species Tylosaurus proriger. The distribution of bite marks corresponds inversely to the
Matanuska_Formation
†Trigonia – tentative report Trionyx Turritella †Turritella trilira †Tylosaurus †Uatchitodon †Uatchitodon schneideri – type locality for species †Williamsonia
List of the prehistoric life of North Carolina
List_of_the_prehistoric_life_of_North_Carolina
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TYLOSAURUS
TYLOSAURUS
TYLOSAURUS
TYLOSAURUS
TYLOSAURUS
TYLOSAURUS
TYLOSAURUS
TYLOSAURUS
TYLOSAURUS
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