ZOOL 379 Final: ZOOL 477 LAB FINAL.docx
14 Jan 2015
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Document Summary
Features: a skull lacking internasals, possession of labyrinthodont teeth, presence of small apical fossa with vomers that meet the premaxilla. Internal fertilization male depositing spermatophores directly into females cloaca: females tend eggs after they are laid. Inserts on the linea alba: run in a more vertical direction, runs from the pubis to the pectoral region, run longitudinally. Irregular ossified mass: ventrally bears the glenoid fossa, capped by suprascapular cartilage, articulates the humerous of limb, capes the scapula. Aided by the undulatory movements of the body as animal. Retraction and rotation achieved by muscles of the limbs. Limbs offer point of contact with the substrate and transmit the forces of the axial musculature into directed movement (forward or backward) Only 9, divided into 3 regions: atlas, trunk vertebrae and sacral. Most of vertebrae procoeslous, and the last trunk vertebra is. Centrum of atlas is greatly reduced and lacks transverse processes. Bears the articular surface for the occipital condyles of the exoccipitals.
