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"Titanosaurus" colberti - This species was the most well-known species of Titanosaurus, but has been moved into its own genus, Isisaurus. [15] [16] "Titanosaurus" australis - Known from relatively complete remains, but has been renamed Neuquensaurus. [15] "Titanosaurus" nanus - A small species found to be non diagnostic, and hence a nomen ...
Gorgosaurus (/ ˌ ɡ ɔːr ɡ ə ˈ s ɔːr ə s / GOR-gə-SOR-əs; lit. ' dreadful lizard ') is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period (), between about 76.5 and 75 million years ago. [1]
Ground sharks, like this blacknose shark, have a nictitating membrane which can be drawn over the eye to protect it. Carcharhiniformes / k ɑːr k ə ˈ r aɪ n ɪ f ɔːr m iː z /, commonly known as ground sharks, are the largest order of sharks, with over 270 species. They include a number of common types, such as catsharks, swellsharks, and ...
Shark migration patterns may be even more complex than in birds, with many sharks covering entire ocean basins. Sharks can be highly social, remaining in large schools. Sometimes more than 100 scalloped hammerheads congregate around seamounts and islands, e.g., in the Gulf of California. [39] Cross-species social hierarchies exist.
Sharks portal; The Squaliformes / ˌ s k w ɒ l ɪ ˈ f ɔːr m iː z / are an order of sharks that includes about 126 species in seven families.. Members of the order have two dorsal fins, which usually possess spines, they usually have a sharp head, no anal fin or nictitating membrane, and five to seven gill slits.
“The heaviest great hammerhead shark ever recorded weighed a whopping 1280 pounds.” The great hammerhead shark is found in a variety of water depths such as shallow lagoons and coral reefs ...
Titanosaurus araukanicus von Huene, 1929 vide Powell, 1992 Laplatasaurus (meaning "La Plata lizard", named for La Plata , Argentina ) is a genus of titanosaurian sauropod dinosaur that lived during the Late Cretaceous in South America , with the holotype and only known specimen found in the Anacleto Formation .
Ground sharks are the largest order of sharks, and include a number of common types such as the blue shark, catsharks, swellsharks and sandbar sharks. Members of the orders are characterized by the presence of a nictitating membrane over the eye, two dorsal fins , an anal fin , and five gill slits.