Lissamphibia

Translingual right|thumb|Rana arvalis species right|thumb|Gymnopis multiplicata species right|thumb|Salamandra salamandra Etymology From mul grc λισσός smooth + grc ἀμφίβια, nominative neuter plural of grc ἀμφίβιος two types of life, from grc ἀμφί of both kinds + grc βίος life. Proper noun subclass class Amphibia recent (early Mesozoic to present) amphibia Usage notes Lissamphibia has previously been used to include all extant amphibians, while excluding the main Paleozoic tetrapod groups. There is debate as to whether it constitutes a clade. Some writers argue that Gerobatrachus hottoni species (early Permian) belongs in Lissamphibia. For more details, see Hypernyms subclass Hyponyms subclass mul Anura (frogs), Gymnophiona order (caecilians), Caudata order / Urodela order (salamanders) orders †Allocaudata extinct order References