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The species of Physogaleus were originally described as belonging to the same genus as the modern Tiger shark, Galeocerdo. Recognition of numerous differences in dental anatomy of each these species compared other species of Galeocerdo lead researchers to erect the genus Physogaleus to include taxa that were more morphologically similar to one ...
Cretoxyrhina (/ k r ɪ ˌ t ɒ k s i ˈ r h aɪ n ə /; meaning 'Cretaceous sharp-nose') is an extinct genus of large mackerel shark that lived about 107 to 73 million years ago during the late Albian to late Campanian of the Late Cretaceous.
Prehistoric shark genera (77 P) C. Cenozoic sharks (3 C, 1 P) M. ... Pages in category "Prehistoric sharks" The following 9 pages are in this category, out of 9 total.
The pieces are now reunited, creating a single 5.5-inch-long, 5.1-inch-wide tooth that came from one of the world’s most fearsome predators — a prehistoric shark that reached nearly 60 feet in ...
Galeocerdo alabamensis is an extinct relative of the modern tiger shark. Nomenclature of this shark has been debated, and recent literature identified it more closely with the Physogaleus genus of prehistoric shark, rather than Galeocerdo. The classification of Physogaleus is known as tiger-like sharks while Galeocerdo refers to tiger sharks.
Carcharomodus is an extinct genus of lamnid shark.Its only species is Carcharomodus escheri, [1] commonly nicknamed the serrated mako shark or Escher's mako shark.It is an extinct lamnid that lived during the Miocene and that was formerly thought to have been transitional between the broad-toothed "mako" Cosmopolitodus hastalis and the modern great white, but is now considered to be an ...
When did the megalodon shark go extinct, and why? – Landon, age 10 Imagine traveling back in time and observing the oceans of 5 million years ago. As you stand on an ancient shoreline, you see se.
Scapanorhynchus texanus, Menuha Formation (Upper Cretaceous), southern Israel. Near-complete fossil of S. lewisii, under special lighting. Scapanorhynchus (from Greek: σκάφιου scaphion, 'shovel' and Greek: ῥύγχος rhynchos 'snout') [3] is an extinct genus of goblin shark that lived during the Cretaceous period, from the Aptian to the end of the Maastrichtian.