Biology:Osteolepiformes

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Short description: Extinct order of fishes
Biology:Osteolepiformes
Temporal range: 396–299 Ma
Middle Devonian to Late Carboniferous
Osteolepis
Osteolepis
Scientific classificationEdit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Sarcopterygii
Clade: Tetrapodomorpha
Order: Osteolepiformes
Berg, 1937
Groups included
Cladistically included but traditionally excluded taxa

Osteolepiformes, also known as Osteolepidida, is a group of prehistoric lobe-finned fishes which first appeared during the Devonian period. The order contains the families Canowindridae, Megalichthyidae, Osteolepididae and Tristichopteridae. The order is generally considered to be paraphyletic because the characters that define it are mainly attributes of stem tetrapodomorphs.[1]

Below is a cladogram showing the paraphyly of Osteolepiformes compiled and modified from Ahlberg and Johanson (1998).[1] See also Swartz (2012).[2] Osteolepiformes is marked by the green bracket.

Tetrapodomorpha

Kenichthys

Rhizodontida

Barameda

Gooloogongia

Gogonasus

Osteolepis

Megalichthys

Cladarosymblema

Ectosteorhachis

Medoevia

Koharolepis

Canowindra

Beelarongia

Gyroptychius

Tristichopteridae

Eusthenodon

Mandageria

Cabonnichthys

Platycephalichthys

Jarvikina

Eusthenopteron

Tristichopterus

Panderichthys

Tetrapoda

Acanthostega

Ichthyostega

Osteolepiformes

References

External links

Wikidata ☰ {{{from}}} entry