Names cited in American Naturalist
- Class: Amphibia
- Order: Anura Fischer von Waldheim, 1813
- Order: Caudata Fischer von Waldheim, 1813
- Synonym: Pseudosauria Cope, 1889
- Family: Ambystomatidae
- Genus: Ambystoma Tschudi, 1838
- Synonym: Linguaelapsus Cope, 1887
- Species: Ambystoma annulatum Cope, 1886
- Synonym: Linguaelapsus annulatus — Cope, 1887
- Species: Ambystoma cingulatum Cope, 1868
- Synonym: Linguaelapsus annulatus — Cope, 1887
- Synonym: Linguaelapsus lepturum — Cope, 1887
- Species: Ambystoma gracile (Baird, 1859)
- Synonym: Chondrotus decorticatus — Cope, 1887
- Synonym: Chondrotus paroticus — Cope, 1887
- Species: Ambystoma texanum (Matthes, 1855)
- Synonym: Chondrotus microstomus — Cope, 1887
- Genus: Dicamptodon Strauch, 1870
- Family: Amphiumidae Gray, 1825
- Synonym: Amphiumoidea — Dunn, 1922
- Family: Cryptobranchidae Fitzinger, 1826
- Synonym: Cryptobranchoidea — Dunn, 1922
- Family: Plethodontidae
- Family: Salamandridae Goldfuss, 1820