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Experientia. 1988 Aug 15;44(8):697-700.

A cryptic intermediate in the evolution of chameleon tongue projection.

Author information

1
Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts 02138.

Abstract

An incipient form of tongue projection occurs in Phrynocephalus helioscopus, a generalized agamid lizard. We argue that this condition represents a functional intermediate between typical lingual prehension and chamaeleontid tongue projection, and that tongue projection evolved in chameleons by augmentation of ancestral mechanisms still operating in related, generalized lizards.

PMID:
3410001
DOI:
10.1007/bf01941032
[Indexed for MEDLINE]

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