Batrachoseps.
Spelerpes (Gyrinophilus).
Order 2. Labyrinthodontia.
Group Lepospondyli. Branchiosaurus.
Group Temnospondyli. Archegosaurus.
Nyrania.
Euchirosaurus.
Group Stereospondyli. Capitosaurus.
Mastodonsaurus.
Order 3.Gymnophiona.
Family Caeciliidae. Siphonops.
Epicrium.
Order 4. Anura.
Suborder (1). Aglossa.
Family Xenopidae. Xenopus.
Family Pipidae. Pipa—Surinam toad.
Suborder (2). Phaneroglossa.
Group Arcifera.
Family Discoglossidae. Discoglossus—painted frog.
Bombinator—fire-bellied frog.
Alytes—midwife frog.
Family Pelobatidae. Pelobates—toad frog.
Family Hylidae. Hyla—green tree-frog.
Family Bufonidae. Bufo—toad.
Docidophryne.
Family Cystignathidae. Ceratophrys—horned frog.
Group Firmisternia.
Family Ranidae. Rana—common and edible frogs.
Family Engystomatidae. Brachycephalus.
B. SAUROPSIDA.
CLASS I. REPTILIA[16].
Order 1. Theromorpha.
Group Anomodontia. Dicynodon.
Udenodon.
Group Placodontia. Placodus.
Group Pariasauria. Pariasaurus.
Elginia.
Group Theriodontia. Dimetrodon.
Galesaurus.
Cynognathus.
Order 2. Sauropterygia.
Family Mesosauridae. Mesosaurus.
Family Nothosauridae. Nothosaurus.
Family Plesiosauridae. Plesiosaurus.
Pliosaurus.
Order 3. Chelonia.
Suborder (1). Trionychia.
Family Trionychidae. Trionyx—snapping turtle.
Suborder (2). Cryptodira.
Family Dermochelydidae. Dermochelys (Sphargis)—leathery
turtle.
Family Chelonidae. Chelone—green turtle.
Family Chelydridae. Chelydra—terrapin.
Family Chersidae. Testudo—tortoise.
Suborder (3). Pleurodira.
Family Chelydae. Chelys.
Order 4. Ichthyosauria.
Family Ichthyosauridae. Ichthyosaurus.
Order 5. Rhynchocephalia.
Suborder (1). Rhynchocephalia vera.
Family Sphenodontidae. Sphenodon (Hatteria).
Family Rhynchosauridae. Hyperodapedon.
Suborder (2). Proganosauria.
Family Proterosauridae. Proterosaurus.
Order 6. Squamata.
Suborder (1). Lacertilia.
Group Lacertilia vera.
Family Geckonidae. Gecko.
Family Pygopodidae. Lialis—scale-foot.
Family Agamidae. Draco—flying lizard.
Agama.
Family Iguanidae. Iguana.
Family Anguidae. Ophisaurus (Bipes, Pseudopus).
Anguis—blindworm.
Family Varanidae. Varanus—monitor.
Family Amphisbaenidae. Chirotes.
Amphisbaena.
Family Scincidae. Tiliqua (Cyclodus).
Scincus—skink.
Chalcides (Seps).
Group Rhiptoglossa.
Family Chamaeleonidae. Chamaeleon.
Suborder (2). Ophidia.
Family Typhlopidae. Typhlops—blind snake.
Family Boidae. Python.
Family Colubridae. Tropidonotus—ringed snake.
Family Hydrophidae—sea snakes.
Family Crotalidae. Crotalus—rattlesnake.
Suborder (3). Pythonomorpha.
Family Mosasauridae. Mosasaurus.
Order 7. Dinosauria.
Suborder (1). Sauropoda.
Family Atlantosauridae. Brontosaurus.
Family Cetiosauridae. Morosaurus.
Suborder (2). Theropoda.
Family Megalosauridae. Megalosaurus (Ceratosaurus).
Family Compsognathidae. Compsognathus.
Suborder (3). Orthopoda.
Section (a). Stegosauria.
Family Scelidosauridae. Polacanthus.
Family Stegosauridae. Stegosaurus.
Section (b). Ceratopsia.
Family Ceratopsidae. Polyonax (Ceratops).
Section (c). Ornithopoda.
Family Camptosauridae. Hypsilophodon.
Family Iguanodontidae. Iguanodon.
Family Hadrosauridae. Hadrosaurus.
Order 8. Crocodilia.
Suborder (1). Parasuchia.
Family Phytosauridae. Phytosaurus (Belodon).
Suborder (2). Eusuchia.
Family Teleosauridae. Teleosaurus.
Metriorhynchus.
Family Goniopholidae. Goniopholis.
Family Alligatoridae.