Unformatted text preview: herbivores; died out in the late Triassic period. pharyngeal cleft (fuh-rin'-je-ul) In chordate embryos, one of the grooves that separate a series of pouches along the sides of the pharynx and may develop into a pharyngeal slit. pharyngeal slit (fuh-rin'-je-ul) In chordate embryos, one of the slits that form from the pharyngeal clefts and communicate to the outside, later developing into gill slits in many vertebrates....
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- Spring '10
- Evolution, Triassic, Pharyngeal Slit