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・ Ectinogonia
・ Ectinogramma isosceloides
・ Ectinosomatidae
・ Ectinothorax
・ Ecto
・ Ecto (album)
・ Ecto (software)
・ Ectoantennoseius
・ Ectobius
・ Ectoblemma
・ Ectocarpales
・ Ectocarpene
・ Ectocarpus
・ Ectocarpus siliculosus
・ Ectochela
Ectocion
・ Ectocochleate
・ Ectoconus
・ Ectoderm
・ Ectoderm specification
・ Ectodermal dysplasia
・ Ectodermal dysplasia with corkscrew hairs
・ Ectodini
・ Ectodomain
・ Ectodus descampsii
・ Ectodysplasin A
・ Ectodysplasin A receptor
・ Ectodysplasin A2 receptor
・ Ectoedemia
・ Ectoedemia acanthella


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Ectocion : ウィキペディア英語版
Ectocion

''Ectocion'' (sometimes ''Ectocyon'') is an extinct genus of placental mammals of the family Phenacodontidae. The genus was earlier classified as ''Gidleyina'' (Simpson 1935) and ''Prosthecion'' (Patterson and West 1973)〔. Retrieved May 2013.〕
Paleocene specimens of these hoofed, ground-dwelling herbivores have been found in Canada (Alberta, Saskatchewan) and the United States (Colorado, Montana, North Dakota, and Wyoming). Eocene specimens have been found in Mexico and the United States (Colorado, Mississippi, Wyoming).〔
One of the dramatic effects of the Paleocene–Eocene Thermal Maximum (PETM) was some animals evolving smaller bodies. Fossilized ''Ectocion'' jaw bones show that this genus was smaller during (''E. parvus'', 55.5 mya) the PETM than its relatives before (''E. osbornianus'', 55.6 mya) and after (''E. osbornianus'', 55.3 mya) the brief climatic peak period.
== References ==



抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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