BIOL 2030 Lecture Notes - Occipital Condyle, Ovoviviparity, Lizard
Document Summary
Amniotic egg eggs of birds, reptiles, and prototherians (eggy-laying mammals) within which extra- embryonic membranes are formed during embryonic development (filled with amnionic fluid) Amphisbaenids group of worm-like, burrowing, generally limbless reptiles with inconspicuous eyes and rounded tails. Archosauria subclass of diaspid reptiles, the ruling reptiles , that included the dinosaurs, mainly extinct but including the living crocodilians, with specializations of the skeleton showing trend towards bipedalism. Crocodylia order of reptiles found first in the triassic, typified by the present-day crocodiles and alligators, which are armoured, have front limbs shorter than hind, and a body elongated for swimming. Hemorrhagin poison affecting vasculature, causing blood vessels to break down. Ichthyosaurs group of mesozoic aquatic reptiles with spindle-shaped body with fins and fin-like limbs. Jacobson"s organs a diverticulum of the olfactory organ in many vertebrates, often developing into an epithelium-lined sac opening into the mouth.