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The name of order Pholidota comes from Ancient Greek ϕολιδωτός – "clad in scales" [20] from φολίς pholís "scale". [21] The name "pangolin" comes from the Malay word pengguling meaning "one who rolls up" [22] from guling or giling "to roll"; it was used for the Sunda pangolin (Manis javanica). [23] However, the modern name is ...
Thelodonti ('feeble-teeth') are a group of small, extinct jawless fishes with distinctive scales instead of large plates of armour. There is much debate over whether the group of Palaeozoic fish known as the Thelodonti (formerly coelolepids [ 11 ] ) represent a monophyletic grouping , or disparate stem groups to the major lines of jawless and ...
The Indian pangolin (Manis crassicaudata), also called thick-tailed pangolin and scaly anteater, is a pangolin native to the Indian subcontinent. [2] Like other pangolins, it has large, overlapping scales on its body which act as armour. The colour of its scales varies depending on the colour of the earth in its surroundings.
Strongylocentrotus purpuratus, a well-armoured sea urchin. Armour is evident in numerous animal species from both current and prehistoric times. Dinosaurs such as Ankylosaurus, as well as other Thyreophora (armoured dinosaurs such as Ankylosauria and Stegosauria), grew thick plate-like armour on their bodies as well as offensive armour appendages such as the thagomizer or a tail club.
Its scales are made of keratin and are used for protection, similar to an armadillo's armor. They have been convergently evolved, being unrelated to mammals' distant reptile-like ancestors (since therapsids lost scales), except that they use a similar gene. On the other hand, the musky rat-kangaroo has scales on its feet and tail. [7]
Their spiked tail is muscular and heavy, and is able to be swung at an attacker with great velocity, usually accompanied by hissing and an open-mouthed display of (small) teeth. [7] Uromastyx generally sleep in their burrows with their tails closest to the opening, in order to thwart intruders.
This is an accepted version of this page This is the latest accepted revision, reviewed on 7 January 2025. Taxonomic group of semi-aquatic mammals Pinnipeds Temporal range: Latest Oligocene – Holocene, 24–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N Clockwise from top left: Grey seal (Halichoerus grypus), Steller sea lion (Eumetopias jubatus), New Zealand fur seal (Arctocephalus forsteri), walrus ...
The ahuizotl (from the Classical Nahuatl: āhuitzotl for "spiny aquatic thing", a.k.a. "water dog") is a legendary creature in Aztec mythology. [2] It is said to lure people to their deaths. [3] The creature was taken as an emblem by the ruler of the same name, and was said to be a "friend of the rain gods". [4]