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14 Cards in this Set
- Front
- Back
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Osteichthyes?
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Lungs, operculum, tooth-bearing dermal bones
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Actinopterygii?
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Fins articulate w/ basal and radial, 1 dorsal fin, scales on tail
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Actinistia?
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Maxilla lost
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Sarcopterygii
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Parietal/post parietal bones of dermal skull are ossified as a mobile joint, limbs articulate with a single element
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Dipnoi
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Reliance on air breathing, aestivation, spongy snout, long slender forelimbs
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Choanata?
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External nostril, arms and legs solidified as humerus/radius/ulna and fibula/tibia/femur
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Lissamphibia?
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Large opening in palate beneath eyes, base/crown separated by fibrous tissue
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Mammalia?
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Big brain, post dentary jawbones, middle ear, hair, mammary glands, post canine teeth
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Tetrapoda?
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Loss of gills
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Amniota?
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Air breathing egg, heart types, Claws or nails at the end of digits, complete loss of water-breathing larva, complete loss of lateral line system, two sacral vertebrae, internal fertilization by means of a penis.
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Testudines?
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Shell fused with dermal bone, scutes, loss of teeth for keratin beak, girdles in ribs, impedance matching ear
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Squamata?
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Hinged quadrate, caudal tail, evolved quadrate
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Archosauria?
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Overlapping cervical ribs, long cervical membrane
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Crocodylia?
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Choanae, scutes
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