Siren lacertina – Florida Vertebrate Fossils https://www.floridamuseum.ufl.edu/florida-vertebrate-fossils/species/siren-lacertina/
Siren lacertina Quick Facts Common Name: greater siren Siren lacertina is a large, extant salamander in the family Sirenidae that has been living relatively unchanged for 2.5 million years. Alive, they are olive to light gray with elongate, snake-like bodies, short external gills, no hind li
Houghton Mifflin Company, Boston, 592 p. Cope, E. D. 1889.
