BIOL 3114 Lecture Notes - Lecture 12: Brookesia Micra, Rhynchocephalia, Reticulated Python
20 Oct 2016
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Order squamata: lizards (lacertilia, amphisbaenians (amphisbaenia, snakes (serpentes, be familiar with table 13-1, pg. Tuatara (sphenodon) 2 species in new zealand. Acrodont dentition, double row of teeth in upper jaw. Most lizards have generalized 4-limbed body plan: loss or reduction of limbs evolved multiple times. Hemipenes (paired penis derived from cloaca) in makes. Reminder check out table 13. 1 know families iguanidae, gekkonidae, scincidae, Discovered in 2011: largest varanus komodoensis. Great diversity in xeric regions (little moisture, very dry) Some burrow, some climb, some live under leaf litter, some fly : glissant locomotion. Adaptations for arboreal life: zygodactylous feet. Adaptations for fossorial life: loss/reduction of limbs, >60 times, annuli in amphisbaenians. Amphisbaenians: highly specialized fossorial lizards, heavy rigid skull to push through soil, upper jaw with median tooth that fits between two lower teeth, annuli loose skin moves over muscle as they move through tunnels.
