Species names unit 2

Tetrapodomorpha (Choanata)

“fishapods” four-limbed vertebrates, Sarcopterygians

Stegocephalia

“roofed head” fully limbed, Tetrapodomorphs

Eusthenopteron

“snout fin” extinct lobe-finned fish, Sarcopterygians

Tiktaalik roseae

“large fish in shallows” mosaic of fish/tetrapod characters, Sarcopterygians

Tetrapoda

“4 limbs with digits” devonian, some fishlike features, Sarcopterygians

Lissamphibia

“smooth amphibians” all modern amphibians, crown group, Tetrapods

Temnospondyli

“cut vertebrae” stem to Lissamphibians, Tetrapods

Gymnophiona

“naked snake” caecilians, Lissamphibians

Batrachia

“frog group” modern frogs & salamanders from MRCA, Lissamphibians

Caudata

“tail” total group of salamanders, Batrachian

Urodela

“visible tail” crown group of salamanders, Caudatan

Cryptobranchidae

“secret gills” giant salamanders, hellbenders, Urodelan

Sirenidae

“siren family” neotenic salamanders, Urodelan

Plethodontidae

“crowded teeth” lungless salamanders, Urodelan

Ambystomatidae

“blunt mouth” mole salamanders/pacific giant salamanders, Urodelan

Salamandriadae

“salamander family” true salamanders & newts, Urodelan

Proteidae

“primative form” mudpuppies, waterdogs, olms, Urodelan

Salientia

“to jump” total group of frogs & toads, Batrachian

Anura

“no tail” crown group of frogs & toads, Salientian

Bufonidae

“true toads“ all members are toads, Anuran

Ranidae

“true frogs” widest distribution, Anuran

Hylidae

“loud forest family“ tree frogs, Anuran

Microhylidae

“small forest family“ narrow mouthed frogs, Anuran

Dendrobatidae

“tree walker“ poison arrow/dart frogs, Anuran

Pipidae

“south american/african frogs“ tongueless frogs, Anuran

Amniote

“membrane around fetus” Amniotes, Tetrapoda

Labyrinthodonts

“maze tooth” carboniferous Tetrapods, Amniotes

Diadectomorpha

“cross biter form” wide variability, stem Amniote/Synapsid

Seymouria

“from Seymour” transitional between Amphibia & Amniota, stem Amniote

Limnoscelis

“marsh foot” transitional between Amphibia & Amniota, stem Amniote

Hylonomus

“forest dweller” less related to modern reptiles than mammals, stem Amniote

Reptiliomorph

“crawling shaped” carboniferous Tetrapods, stem Amniotes, closer to Amniota than Amphibians, Amniotes

Reptiliomorpha

“crawling shaped” carboniferous Tetrapods, total group of Amniotes, Amniotes

Sauropsida

“lizard face” stem groups of fossil lizard-like taxa, Amniotes

Lepidosauria

“scaled lizards” sister clade to Archelosauria, Sauropsidan

Archelosauria

“ruling turtle” sister clade to Lepidosauria, Sauropsidan

Diapsida

“two holes in head” reptiles, paraphyletic- not birds, Sauropsidan

Rhynchocephalia

“beak head” 1 extant New Zealand species, Lepidosaur

Tuatara

“peaks on the back” unique among Amniotes, Sphenodontidae → Sphenodon

Squamata

Gekkota

Scincomorpha

Episquamata

Laterata

Amphisbaenia

Lacertidae

Teiidae

Toxifera