Please note that there is little known about these amphibians. Descriptions are provided where available.
Branchiosaurus “Gill lizard”
Melanerpei
Dolichosoma
Ophiderpeton
Urocordylus
Keraterpeton
Limerpeton
Hyloplesion
Seeleya
Rycnodon
Orthocosta
Microbrachis "Small arm"
Branchiosaurus “Gill lizard”
Salamander sized
Probably ate insects
Small size, oversized head, spread out limbs
Was one of the smallest of all prehistoric amphibians
6-inches long
Melanerpei
Little is known about this ancient amphibian.
Dolichosoma
A burrowing snake-like amphibian
About 1 metre long
Ate small animals
Ophiderpeton
70 cm long
Skull was 15cm
Large forward-facing eyes
Fed on insects, worms, millipedes, snails
Lived in shallow water of marshy areas
Urocordylus
Had an incredibly long tail
Fossils found in Ireland
Keraterpeton
Found in both Europe and North America
Salamander-like
About 30cm long
Its tail was remarkable long, taking up two thirds of the animal’s total length, and was laterally flattened (presumably to aid in swimming)
Limerpeton
Little is known about this ancient amphibian.
Hyloplesion
Fossils have been found in the Czech Republic
17-77mm long
Skull is triangular in shape
Seeleya
Little is known about this ancient amphibian.
Rycnodon
Little is known about this ancient amphibian.
Orthocosta
Little is known about this ancient amphibian.
Microbrachis "Small arm"
Fossils have been found in the Czech Republic
Salamander-like, about 15cm long
It had small limbs and probably swam using fish-like lateral body movements.
Probably fed on fresh water plankton, such as shrimp