Family: Sirenidae - Pelvic girdle and hind limbs absent. Small eyes without eyelids.
Siren intermedia nettingi - Four toes per foot. 34-36 costal grooves between legs and anus.
Family: Proteidae - Aquatic paedomorphic with cadaul fins and long filamentous gills.
Necturus beyeri - Four toes per foot. Four feet. Three pairs of external gills.
Family: Salamandridae - Aquatic larvae with caudal fin -> terrestrial adults.
Notophthalmus viridescens louisianensis
Family: Ambystomatidae - Relatively stout bodies, blunt heads. Well developed costal grooves, but nasolabial grooves absent. Robust larvae with long, filamentous gills and caudal fins.
Ambystoma maculatum - Clearly defined yellowish to orange round spots arranged in two rows dorsally
Family: Ambystomatidae - Relatively stout bodies, blunt heads. Well developed costal grooves, but nasolabial grooves absent. Robust larvae with long, filamentous gills and caudal fins.
Ambystoma mavortium
Family: Ambystomatidae - Relatively stout bodies, blunt heads. Well developed costal grooves, but nasolabial grooves absent. Robust larvae with long, filamentous gills and caudal fins.
Ambystoma opacum - Pale metallic white/silver/gray markings.
Family: Ambystomatidae - Relatively stout bodies, blunt heads. Well developed costal grooves, but nasolabial grooves absent. Robust larvae with long, filamentous gills and caudal fins.
Ambystoma talpoideum
Family: Ambystomatidae - Relatively stout bodies, blunt heads. Well developed costal grooves, but nasolabial grooves absent. Robust larvae with long, filamentous gills and caudal fins.
Ambystoma texanum - 14 costal grooves. Head only slightly wider than neck. Moderately slender body. Often dark with lichen-like markings.
Family: Ambystomatidae - Relatively stout bodies, blunt heads. Well developed costal grooves, but nasolabial grooves absent. Robust larvae with long, filamentous gills and caudal fins.
Ambystoma tigrinum
Family: Plethodontidae - Nasolabial groove present. Pronounced costal grooves. Moist skin (lungless; cutaneous respiration).
Subfamily: Hemidactylinae
Eurycea cirrigera
Family: Plethodontidae - Nasolabial groove present. Pronounced costal grooves. Moist skin (lungless; cutaneous respiration).
Subfamily: Hemidactylinae
Eurycea neotenes
Family: Plethodontidae - Nasolabial groove present. Pronounced costal grooves. Moist skin (lungless; cutaneous respiration).
Subfamily: Hemidactylinae
Eurycea quadridigitata - Four toes on each limb. Small terrestrial brown salamander.
Family: Plethodontidae - Nasolabial groove present. Pronounced costal grooves. Moist skin (lungless; cutaneous respiration).
Subfamily: Hemidactylinae
Hemidactylium scutatum
Family: Plethodontidae - Lungless. Nasolabial and costal grooves present.
Subfamily: Plethodontinae - Three larval (embryonic) gill slits.
Desmognathus auriculatus
Family: Plethodontidae - Lungless. Nasolabial and costal grooves present.
Subfamily: Plethodontinae - Three larval (embryonic) gill slits.
Desmognathus conanti
Family: Plethodontidae - Lungless. Nasolabial and costal grooves present.
Subfamily: Plethodontinae - Three larval (embryonic) gill slits.
Desmognathus brimleyorum
Family: Plethodontidae - Lungless. Nasolabial and costal grooves present.
Subfamily: Plethodontinae - Three larval (embryonic) gill slits.
Plethodon albagula
Family: Plethodontidae - Lungless. Nasolabial and costal grooves present.
Subfamily: Plethodontinae - Three larval (embryonic) gill slits.
Plethodon serratus
Caudata (Urodela)
Sirenidae
Siren intermedia nettingi
Amphiumidae
Amphiuma tridactylum
Proteidae
Necturus beyeri
Salamandridae
Notophthalmus viridescens louisianensis
Ambystomatidae
Ambystoma maculatum
Ambystoma m. mavortium
Ambystoma opacum
Ambystoma talpoideum
Ambystoma texanum
Ambystoma tigrinum
Plethodontidae
Hemidactylinae
Eurycea cirrigera
Eurycea neotenes
Eurycea quadridigitata
Hemidactylium scutatum
Plethodontinae
Desmognathus auriculatus (x conanti)
Desmognathus brimleyorum
Plethodon albagula
Plethodon serratus
All images are linked from the East Texas Digital Herpetology Collection and are protected under Title 17 of the U.S. Copyright Law. Images are available for non-commercial research and education. For permission to publish or reproduce, please contact the East Texas Research Center at asketrc@sfasu.edu.
Photographers: Brendan Kavanagh, Erica R. Lopez, Stephen Mullin, Trey Polvadore, Scott Wahlberg, John Williams
