Acrodontとは 意味・読み方・使い方

語源

From acr- +‎ -odont.

形容詞

acrodont (not comparable)

1. Having teeth immovably united to the top of the alveolar ridge.
   • 1871, St. George Mivart, On the Genesis of Species‎:

     Pleurodont lizards are such as have the teeth attached by their sides {148} to the inner surface of the jaw, in contradistinction to acrodont lizards, which have the bases of their teeth anchylosed to the summit of the margin of the jaw.

   • 2001 March 9, Richard O. Prum with et al., “Longisquama Fossil and Feather Morphology”, in Science‎, volume 291, number 5510, →DOI, →ISSN, pages 1899–1902:

     The known skeletal remains of Longisquama lack any other diagnostic archosaurian characters [the furcula mentioned by Jones et al. consists of paired clavicles, as Sharov originally noted], but they exhibit two features, acrodont teeth and an interclavicle ( 3 ), that are typical of lepidosaurs.

派生語

• acrodontism

参考

• pleurodont
• thecodont

名詞

acrodont (plural acrodonts)

1. One of a group of lizards having the teeth immovably united to the top of the alveolar ridge

参照

• “acrodont”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.