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The Gorgons (/ ˈ ɡ ɔːr ɡ ən z / GOR-gənz; Ancient Greek: Γοργώνες), [2] in Greek mythology, are three monstrous sisters, Stheno, Euryale, and Medusa, said to be the daughters of Phorcys and Ceto.
Gorgonops (from Greek: Γοργών 'Gorgon' and ὤψ 'eye, face', literally 'Gorgon eye' or 'Gorgon face') is an extinct genus of gorgonopsian therapsid, of which it is the type genus. Gorgonops lived during the Late Permian ( Wuchiapingian ), about 260–254 million years ago in what is now South Africa .
Size comparison between a person and Inostrancevia (reconstructed with long lips and some hair). Earlier gorgonopsids in the Middle Permian were quite small, with skull lengths of 10–15 cm (4–6 in), [1] whereas some later genera attained massive, bear-like sizes with the largest being Inostrancevia up to 3.5 m (11 ft) in length and 300 kg (660 lb) in body mass. [2]
The scapula (shoulder blade) was 7 cm (2.8 in) long, nearly 1 cm (0.39 in) wide at the joint with the humerus (upper arm bone), and its upper edge expanded to a width of 2.5 cm (0.98 in). A relatively low crest extended along the hind edge of the bone's lower third, and slightly deviated at the front from the edge of the scapula.
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[2] [4] A scylacosaurid therocephalian is also known from the same horizon, estimated to have a skull roughly ~21 cm (8.3 in) long and comparable in size to, if not smaller than Phorcys. It is possible then that Phorcys was the top predator in this assemblage, in contrast to therapsid faunas in the upper Tapinocephalus AZ where therocephalians ...
Some may live for over 1,000 years. [78] [79] The Greenland shark had been estimated to live to about 200 years, but a study published in 2016 found that a 5.02 m (16.5 ft) specimen was between 272 and 512 years old. [80] [81] That makes the Greenland shark the longest-lived vertebrate. [82]
The genus name comes from the Greek, gorgós meaning "dreaded" and cephalus meaning "head", and refers to the similarity between these echinoids and the Gorgon's head from Greek myth with its coiled serpents for hair. [2] Five Gorgonocephalus species were discovered from European waters, specifically four occurred in Scandinavian waters. The ...