[body with cornified skin having scutes or scales, 5 toed limbs, one occipital condyle, imperfect 4 chambered heart, lungs, and bony skeleton; fertilization is internal, and eggs are extruded with limey or leathery shell. ( CSP )]
UMLS (CSP) C0035161 Relation/PAR: Chordata
Relation/CHD: lizard
Ophidia
Chelonia
Crocodilia