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・ Colour the Small One
・ Colour the World
・ Colostethus furviventris
・ Colostethus imbricolus
・ Colostethus inguinalis
・ Colostethus jacobuspetersi
・ Colostethus latinasus
・ Colostethus lynchi
・ Colostethus mertensi
・ Colostethus poecilonotus
・ Colostethus pratti
・ Colostethus ramirezi
・ Colostethus ruthveni
・ Colostethus thorntoni
・ Colostethus yaguara
Colosteus
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・ Colostrinin
・ Colostrum
・ Colostygia
・ Colostygia aptata
・ Colostygia kollariaria
・ Colostygia multistrigaria
・ Colostygia olivata
・ Colostygia pectinataria
・ Colostygia turbata
・ Colosyta
・ Colosyta ocystolus


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Colosteus : ウィキペディア英語版
Colosteus

''Colosteus'' is an extinct genus of colosteid tetrapod from the Late Carboniferous (late Westphalian stage) of Ohio. Its remains have been found at the Linton site in Saline Township, Ohio, where it is one of the most common tetrapods, and at the Five Points site in Mahoning County, Ohio. It was an elongate, aquatic form with a flattened and pointed head, greatly reduced limbs, two premaxillary tusks, and heavy scalation.〔 It would have reached about 1 m (3.2 ft) in length.〔http://www.palaeocritti.com/by-group/colosteoidea/colosteus〕
It was originally described by John Strong Newberry in 1856 as a new species of the palaeonisciform fish genus ''Pygopterus''. In 1869, Edward Drinker Cope erected a new genus of "batrachian", ''Colosteus'', containing the species ''C. crassicutatus'', ''C. foveatus'', and ''C. marshii'', based on Linton material lent to him by Newberry. Cope later realized that the holotype of his ''Colosteus crassicutatus'' was also the holotype of Newberry's earlier ''Pygopterus scutellatus'', and combined the two as ''Colosteus scutellatus''. ''Colosteus foveatus'' was later determined to be a junior synonym of ''Isodectes obtusus'', and ''Colosteus marshii'' was given its own genus, ''Ptyonius''
== References ==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Colosteus」の詳細全文を読む



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