Aistopoda (Greek for "[having] not-visible feet") is an order of highly specialised snake-like stegocephalians known from the Carboniferous and Early...

America. Five major groups of lepospondyls are known: Adelospondyli; Aïstopoda; Lysorophia; Microsauria; and Nectridea. Lepospondyls have a diverse range...

stocki (Tetrapoda: Lepospondyli: Aistopoda) from high-resolution computed tomography and a phylogenetic analysis of Aistopoda" (PDF). Canadian Journal of Earth...

Lethiscus is the earliest known representative of the Aistopoda, a group of very specialised snake-like tetrapodomorphs known from the early Carboniferous...

† Aistopoda † Nectridea ...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

limbs that appear non-functional) and at least three extinct groups (Aïstopoda, Lysorophia, and Adelospondyli). There are no known limbless species of...

Lepospondyli Incertae Sedis Family Acherontiscidae Family Adelogyrinidae Order Aïstopoda Family Ophiderpetontidae Family Phlegethontiidae Order Nectridea Family...

stocki (Tetrapoda: Lepospondyli: Aistopoda) from high-resolution computed tomography and a phylogenetic analysis of Aistopoda" (PDF). Canadian Journal of Earth...

Swartz in 2012. As recovered by Clack et al. 2016: †Elginerpetontidae †Aistopoda †Whatcheeriidae †Colosteidae †Baphetoidea crown-Tetrapoda Batrachomorpha...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

Temnospondyli 3: "Microsauria" 4: Seymouriamorpha 5: Diadectidae 6: Nectridea 7: Aistopoda 8: Amniota 9: Baphetidae 10: Colosteidae 11: Gephyrostegidae 12: Casineria...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

preserved. The Leposondyli were generally salamander-like, but one group, the Aïstopoda, was snakelike with flexible, reduced skulls, though whether the families...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

Lysorophia Aïstopoda...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

Family Branchiosauridae Family Amphibamidae Superorder Lepospondyli Order Aïstopoda Family Phlegethontiidae Order Nectridea Family Diplocaulidae Family Scincosauridae...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...

Adelospondyli Aïstopoda...

†Mesanerpeton †Occidens †Ossirarus †Perittodus †Sigournea †Tantallognathus †Aistopoda †Whatcheeriidae Ossinodus? Pederpes Whatcheeria †Colosteidae Colosteus...