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Perucetus is an extinct genus of an early whale from Peru that lived during the Bartonian age of the middle Eocene. Perucetus is the largest Eocene whale, with length estimates varying from 15–16 meters (49–52 ft) to 17–20 meters (56–66 ft).
The big-belly seahorse (Hippocampus abdominalis) or pot-bellied seahorse [3] is one of the largest seahorse species in the world, with a length of up to 35 cm (14 in), and is the largest in Australia. [4] Seahorses are members of the family Syngnathidae, and are teleost fishes.
The largest prehistoric horse was Equus giganteus of North America. It was estimated to grow to more than 1,250 kg (1.38 short tons) and 2 m (6 ft 7 in) at the shoulders. [138] The largest anchitherine equid was Hypohippus at 403 to 600 kg (888 to 1,323 lb), comparable to large modern domestic horses.
Largest prehistoric organisms Notes ^ Carbonated bio apatite from a megalodon tooth (of unknown source location) dated to 5.75 ± 0.9 Ma in age has been analyzed for isotope ratios of oxygen ( 18 O/ 16 O) and carbon ( 13 C/ 12 C), using a carbonate clumped-isotope thermometer methodology to yield an estimate of the ambient temperature in that ...
The remarkably well-preserved skull of a gigantic pliosaur, a prehistoric sea monster, has been discovered on a beach in the county of Dorset in southern England, and it could reveal secrets about ...
Prehistoric marine reptiles (6 C, 15 P) T. Trilobozoa (8 P) Pages in category "Prehistoric marine animals" The following 38 pages are in this category, out of 38 total.
The now-extinct species of dugong, a manatee-like marine mammal, was swimming in the sea about 15 million years ago when it was preyed upon by two animals: a crocodile and a tiger shark.
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