Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections


Dipnotetrapodomorpha was named by Nelson (2006). It is extant.

It was reranked as the subclass Dipnotetrapodomorpha by Betancur-R et al. (2013).

It was assigned to Sarcopterygii by Long (2011); and to Sarcopterygii by Betancur-R et al. (2013).

Synonymy list
YearName and author
2006Dipnotetrapodomorpha Nelson
2011Dipnotetrapodomorpha Long p. 244
2013Dipnotetrapodomorpha Betancur-R. et al.

Is something missing? Join the Paleobiology Database and enter the data

phylumChordataHaeckel 1847
subclassDipnotetrapodomorpha(Nelson 2006)
subclassDipnotetrapodomorpha(Nelson 2006)

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.

No diagnoses are available
No measurements are available
Composition: phosphaticsubp
Maximum body mass: 100000 kgg
Minimum body mass: 3 gg
Environment: marinesubp
Locomotion: actively mobilec
Created: 2009-07-20 21:50:54
Modified: 2009-07-20 23:50:54
Source: g = genus, c = class, subp = subphylum
References: Holman 2000, Legendre 1988, Peczkis 1995, Hopson 1973, Carroll 1988, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Lochkovian to the top of the Holocene or 419.20000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 410.8 Ma

Collections (38532 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Lochkovian419.2 - 410.8China (Yunnan) Styloichthys changae, Diabolepis speratus (162781)
Pragian410.8 - 407.6China (Yunnan) Tungsenia paradoxa (196858)
Emsian - Eifelian407.6 - 387.7Australia (Queensland) Holoptychiidae indet. (196702)
Eifelian - Givetian393.3 - 382.7China (Yunnan) Kenichthys campbelli (196880)
Late/Upper Givetian388.1 - 383.7Latvia (Līgatne Municipality) Livoniana multidentata (179163)
Givetian387.7 - 382.7Antarctica Koharalepis jarviki (207078) Porolepiformes indet. (207072) Rhizodontiformes indet. (207090 207093)
Early/Lower Frasnian383.7 - 382.4Russian Federation Laccognathus sp., Holoptychius sp. (90343)
Frasnian382.7 - 372.2Latvia Obruchevichthys gracilis (178741)
Frasnian382.7 - 372.2Canada (Quebec) Elpistostege watsoni, Holoptychius jarviki, Holoptychiidae sp. indet. (179176)
Frasnian382.7 - 372.2Canada (Nunavut) Tiktaalik roseae (59674)
Frasnian382.7 - 372.2USA (Pennsylvania) Holoptychius americanus, Holoptychius filosus (164509)
Late/Upper Devonian382.7 - 358.9Norway Holoptychius nobilissimus, Holoptychius giganteus, Holoptychius americanus (154904)
Late/Upper Devonian382.7 - 358.9USA (Pennsylvania) Holoptychus latus (165525)
Late/Upper Frasnian379.5 - 376.1United Kingdom (Scotland) Elginerpeton pancheni (176215)
Early/Lower Famennian376.1 - 370.6Russian Federation (Oryol Oblast) Jakubsonia livnensis (176223)
Famennian372.2 - 358.9China (Ningxia) Hongyu chowi (207050)
Famennian372.2 - 358.9China Sinostega pani (176221)
Famennian372.2 - 358.9USA (Pennsylvania) Holoptychius giganteus, Holoptychius americanus, Holoptychus serrulatus (164511)
Famennian372.2 - 358.9Latvia Ventastega curonica (176220)
Famennian372.2 - 358.9Australia (New South Wales) Metaxygnathus denticulatus (176217)