Which is the largest living mammal?
Largest organisms and Newfoundland, but is less common here than in the east, and occurs only at depths between . The largest lancelets: European lancelet ("Branchiostoma lanceolatum") "primitive fish". It can grow up to 6 cm (2.5 in) long. The blue whale is the largest mammal. The largest land mammal extant today is the African bush elephant. The largest extinct land mammal known was long considered to be "Paraceratherium orgosensis", a rhinoceros relative thought to have stood up to tall, measured over long and may have weighed about 17 tonnes. In 2015, a study suggested that one example of the proboscidean "Palaeoloxodon
Largest organisms namadicus" may have been the largest land mammal ever, based on extensive research of fragmentary leg bone fossils from one individual, with a maximum estimated size of 22 tonnes. The Permian era "Cotylorhynchus", from what is now the southern United States, probably was the largest of all synapsids (most of which became extinct 250 million years ago), at and 2 tonnes. The largest carnivorous synapsid was "Anteosaurus" from what is now South Africa during Middle Permian era. "Anteosaurus" was long, and weighed about . The largest living reptile, a representative of the order Crocodilia, is the saltwater crocodile ("Crocodylus porosus")