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Onchiodon labyrinthicus

Amphibia - Temnospondyli - Eryopidae

Taxonomy
Onchiodon labyrinthicus was named by Geinitz (1861). Its type specimen is Staatliches Museum für Mineralogie und Geologie in Dresden, a tooth (one tooth), and it is a 3D body fossil. Its type locality is Niederhaslich, which is in a Sakmarian lacustrine limestone in the Niederhäslich-Schweinsdorf Formation of Germany. It is the type species of Onchiodon.

It was recombined as Zygosaurus labyrinthicus by Geinitz and Deichmüller (1882).

Synonyms
Synonymy list
YearName and author
1861Onchiodon labyrinthicus Geinitz
1882Pelosaurus laticeps Credner
1882Zygosaurus labyrinthicus Geinitz and Deichmüller p. 16
1990Onchiodon labyrinthicus Boy pp. 290-302 figs. 1-7
2013Onchiodon labyrinthicus Schoch

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
RankNameAuthor
—Tetrapoda
classAmphibia
orderTemnospondyli()
—Eutemnospondyli
—Rhachitomi()
—Eryopiformes
familyEryopidaeCope 1882
subfamilyEryopinae
genusOnchiodon
specieslabyrinthicus

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.

†Onchiodon labyrinthicus Geinitz 1861
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Invalid names: Pelosaurus laticeps Credner 1882 [synonym]
Diagnosis
ReferenceDiagnosis
J. Boy 1990Eminence along lateral side of supratemporal and on the tabular. Furrows of sense lines (german: "Sinneslinien") only present until the early juvenile stage. Supratemporal short, with the beginning of adult stage it is longer than broad. Basipterygoid-joint grow together in late adult stage. Processus cultriformis widened in it's back part. Denticle field on front basal plate and posterior processus cultriformis; distinctive until the early juvenile stage, later reduced. Dentition of jaws during juvenile stage folded up to the tip of the tooth. - Interclavicula variable in outline, often slightly longer than broad. Relation of length of interclavicula to skull-length =0,22-0,40.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: brackish, freshwater, terrestrialuc
Locomotion: actively mobilesubo
Life habit: amphibioussubo
Diet: carnivoresubo
Dispersal: waterc
Created: 2009-07-20 21:44:54
Modified: 2009-07-20 23:44:54
Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade
References: Uhen 2004, Hendy et al. 2009, Carroll 1988

Age range: base of the Asselian to the top of the Sakmarian or 298.90000 to 290.10000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Asselian298.9 - 295.5Germany (Thuringia) Onchiodon labyrinthicus (180778)
Asselian - Sakmarian298.9 - 290.1Germany (Thuringia) Onchiodon labyrinthicus (180779)
Sakmarian293.52 - 290.1Germany (Thüringer Wald) Onchiodon labyrinthicus (160735)
Sakmarian293.52 - 290.1Germany (Saxony) Onchiodon labyrinthicus (type locality: 52522)