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Sordes pilosus and the nature of the pterosaur flight apparatus.

Little Sordes from Kazakhstan has a long, lobed structures shaped like a long, narrow leaf – perhaps all of its close relatives did too – while Pterorhynchus has a series of paired serrations that run along the sides of the end half of its tail.

Sordes pilosus and the nature of the pterosaur flight apparatus Nature, 371, 62-64 DOI: 10.1038/371062a0 - .

His tongue becomes dry, hard, and fissured; sordes collect upon the teeth and lips, bloody crusts about the nostrils.

Tongue smooth, dry, and excessively red, later brown-coated, and even the teeth coated with sordes.