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Archaeolamna (from Greek arche which turned into archaeo and Lamna, an extinct shark genus) [1] is an extinct genus of mackerel sharks that lived during the Cretaceous.It contains three valid species (one with two subspecies) which have been found in Europe, North America, and Australia.
Galeocerdo clarkensis is an extinct relative of the modern tiger shark that lived in Eocene Alabama, Georgia, and Louisiana. Fossils have also been found in Mississippi. Six collections of fossils are known. [1]
This list of the Cenozoic life of Louisiana contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Louisiana and are between 66 million and 10,000 years of age.
Palmetto Fossil Excursions, located about 25 miles northwest of Charleston, reported the dual discoveries in a Nov. 3 Facebook post, and included photos of the large, rust-colored tooth.
The sharks were about 50 feet long, experts say.
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
The monstrous predator — which measured as long as a great white shark — belongs to a brand new species, according to a Dec. 12 University of Cincinnati news release.
The most famous fossil sites within Louisiana are Creola Bluff at Montgomery Landing Site in Grant Parish, Louisiana [20] and the Cane River Site, Natchitoches Parish, Louisiana. The Montgomery Landing Site was a 500 meters (1,600 ft) long and 14 meters (46 ft) high bluff that was the cutbank on the east side of the Red River .