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Teratohyla pulverata : ウィキペディア英語版
Powdered glass frog

The powdered glass frog or Chiriqui glass frog, ''Teratohyla pulverata'', is a frog species in the glass frog family (Centrolenidae). It is found from north-central Honduras south to northwestern Ecuador.〔Solís ''et al.'' (2010)〕〔Frost, 2014〕
==Description==
''Teratohyla pulverata'' is a small glass frog, lacking humeral spines in males, and has a lobed bulbous liver, placing it in the genus ''Cochranella''. Adult males measure 22-24.5 mm from the snout to the vent, while the females are larger at 25.3-28.3 mm snout-vent length. The snout is rounded if seen from above, but presents a distinctly sloped profile when viewed from the side. The translucent tympanum is visible but not large, measuring about one-fifth to one-fourth of the eye's diameter; the tympanic annulus is not hidden except for the dorsal margin, which is covered by the supratympanic fold.〔Guayasamin ''et al.'' (2008)〕
Their color is green above, with a rich scattering of small, white spots – hence the species' scientific name, which means "the powdered one". The back has a rough shagreen-like texture, particularly in males, where it is covered in tiny spicules. The belly is transparent and has a grained texture. Thus, the green bones and some internal organs can be observed in the living animal – particularly as this species' parietal (outer) peritoneum is completely translucent, too; the inner peritonea covering the liver and gastrointestinal tract are white. The iris is greyish-white with tiny yellow dots and a network of thin, dark-grey lines; a thin cream-yellow ring surrounds the pupil. Melanophores are abundant on the dorsal surface of the fourth finger, but absent on the first three fingers. Preserved specimens are usually cream-colored to light lavender above, with the spotting remaining white or becoming transparent.〔
The dentigerous process of the vomer carries two to four teeth. The males have a type-I nuptial pad; the prepollex is concealed. The toes and most fingers of ''C. pulverata'' are webbed; the webbing between the first two fingers (which are of equal length) is absent or vestigial, however. The webbing formula for the outer fingers is II (1+-11/3) – (24/5-3) III (11/3-12/3) – (1+-2) IV; for the toes, it is I (1-1) – (12/3-2) II (1-1) – (13/4-2) III (1-1+) – (12/3-2+) IV (2-2+) – (1-1+) V. The discs at the finger and toe tips are small, about the size of the eardrum on the third finger. This species has no tubercles on the thighs; the metacarpus, ulna, metatarsus, and tarsus have tubercular folds, resulting in a wavy outline of the limbs.〔
The tooth row formula of tadpoles is 2/3, with the A2 tooth row broadly separated in the center.〔

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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