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The following are lists of prehistoric animals: By type. Land and avian animals. List of prehistoric amphibian genera; List of prehistoric mammals;
Hallucigenia is a genus of lobopodian known from Cambrian aged fossils in Burgess Shale-type deposits in Canada and China, and from isolated spines around the world. [4] The generic name reflects the type species' unusual appearance and eccentric history of study; when it was erected as a genus, H. sparsa was reconstructed as an enigmatic animal upside down and back to front. [1]
Pages in category "Enigmatic prehistoric animal genera" The following 72 pages are in this category, out of 72 total. This list may not reflect recent changes. A.
The mammoth, which resembles a small elephant with a trunk, was found near the Batagaika research station where the remains of other prehistoric animals — a horse, a bison and a lemming — have ...
The second largest prehistoric pinniped is Gomphotaria pugnax with a skull length of nearly 47 cm (19 in). [153] One of the largest of prehistoric otariids is Thalassoleon, comparable in size to the biggest extant fur seals. An estimated weight of T. mexicanus is no less than 295–318 kg (650–701 lb). [156]
This list of prehistoric amphibians is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be ...
Size estimation of Beelzebufo. In early studies, it is suggested that Beelzebufo had snout-vent lengths of up to 42.5 cm (16.7 in). [1] But in later studies, animals of this species estimated to have grown to at least 23.2 cm (9.1 in) (snout-vent length), which is around the size a modern African bullfrog can reach. [5]
T. gregarium fossil (part and counterpart). Amateur collector Francis Tully [] found the first of these fossils in 1955 in a fossil bed known as the Mazon Creek formation.He took the strange creature to the Field Museum of Natural History, but paleontologists were stumped as to which phylum Tullimonstrum belonged in. [7] The species Tullimonstrum gregarium ("Tully's common monster"), as these ...