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Lepospondyli

Taxonomy
Lepospondyli was named by von Zittel (1887) [Whether the taxon is extinct or not depends on exclusion (temnospondyl hypothesis) or inclusion (lepospondyl hypothesis, diphyly hypothesis) of extant amphibian groups.]. It was considered paraphyletic by Laurin et al. (2000).

It was reranked as the order Lepospondyli by Kuhn (1946); it was reranked as the subclass Lepospondyli by Daly (1973) and Carroll (1988); it was reranked as the unranked clade Lepospondyli by Gardiner (1982), Laurin et al. (2000) and Huttenlocker et al. (2013).

It was assigned to Stegocephali by von Zittel (1887) and Swinton (1934); to Stegocephalia by Kuhn (1946); to Amphibia by Moodie (1916), Daly (1973) and Carroll (1988); to Amphibia by Gardiner (1982) and Laurin et al. (2000); and to Tetrapoda by Huttenlocker et al. (2013).

Synonymy list
YearName and author
1887Lepospondyli von Zittel pp. 369, 370
1916Lepospondylia Moodie p. 47
1934Lepospondyli Swinton p. 81
1946Lepospondyli Kuhn p. 53
1973Lepospondyli Daly p. 570
1982Lepospondyli Gardiner
1988Lepospondyli Carroll
2000Lepospondyli Laurin et al. p. 120 fig. 2b
2013Lepospondyli Huttenlocker et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
RankNameAuthor
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Amphibia()
Lepospondyli()
Lepospondyli()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
K. A. von Zittel 1887Wirbelkörper aus einheitlichen Knochenhülsen bestehend, welche Reste der Chorda umschliessen. Hinterhaupt knorpelig oder verknöchert. Zähne einfach, mit grosser Pulpa.