Choanata
The Choanates ( Choanata ) are fish with Choane S. This group is Paraphylétique. All the vertebrate terrestrial ones should be added to him to obtain a natural group, monophyletic.
Characteristics
- a cranial opening making communicate the external nostrils with the oral cavity: the choane.
- Tendency dermintermédiale and tectale in the external nostril.
See too
Sources
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