Lecture 20 Study Guide

Lecture 20 Study Guide - Lecture 20 Study Guide 1. What are...

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Lecture 20 Study Guide 1. What are amniotes and amniotic eggs? a. Amniota i. ii. Amniotic egg 1. Amnion a. Protective membrane surrounding embryo 2. Chorion a. Enclosed entire egg b. Allows for gas exchange 3. Allantois a. For waste material iii. Allows eggs to be bigger 1. And on land iv. Another name is cleidoic egg 2. What are reptiles and sauropsids? a. Sauropsida include i. Reptilia ii. Mesosauridae 1. Helped figure continents together 3. What are “anapsids” or parareptiles, and what is the “turtle problem”? a. Parareptiles i. Thrived in Permian 1. Millerettidae 2. Procolophonidae a. Survived PT extinction
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b. Owenetta i. Earliest record of mating 3. Pareiasauridae a. Huge thick head b. Ancestral turtle maybe? 4. Most disappeared after Permian b. True turtles i. Late Triassic 1. Proganochelys, oldest fossil a. Terrestrial 2. Looks like a turtle already a. Hard to find ancestor 3. Turtles came from diapsida 4. What are eureptiles and diapsids? a.
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This note was uploaded on 03/15/2010 for the course GEL GEL 107 taught by Professor Jishin during the Winter '09 term at UC Davis.

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Lecture 20 Study Guide - Lecture 20 Study Guide 1. What are...

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