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Agilodocodon
''Agilodocodon scansorius'' was a shrew-sized docodont from the Middle Jurassic, believed to be the earliest known tree-climbing mammaliaform.
==Appearance==
''Agilodocodon scansorius'' measured approximately 13 centimeters from head to tail, weighing about 27 grams.〔 Its appearance was similar to a squirrel, with a long snout, curved, horny claws and flexible ankle and wrist joints typical of modern arboreal mammals.〔 The front teeth were spade-like, indicating that ''Agilodocodon scansorius'' could gnaw tree bark and consume gum or sap.〔 The evolutionary biologist Frietson Galis, however, questioned whether ''Agilodocodon scansorius'' gnawed bark and ate tree sap, saying its teeth "are quite different" from the modern sap-eating monkeys, and the long, thin lower jaw seems too weak for chomping on tree bark.〔
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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