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Taxon:
Infraclass
Tetrapodomorpha
Ahlberg, 1991
(fish)
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Entity:
[Sarcopterygii] (Subclass) - lobe-finned fishes and tetrapods
..[Actinistia] (Infraclass) - coelacanths
..[Actinistia] (Order) - coelacanths
..[Ceratodiformes] (Order)
..[Crossopterygii] (Infraclass)
..[†Crossopterygii] (Order) - lobe-finned fishes
..[Dipnoi] (Order) - lungfishes
..[†Onychodontida] (Infraclass)
..†Shoshonia (Genus)
..[Tetrapodomorpha] (Infraclass)
....[†Osteolepidida] (Superorder)
....[†Rhizodontida] (Order) - rhizodontids
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Osteichthyes
Phylogeny
Paraphyletic/Ancestral (para)
Current position
Sarcopterygii
(Subclass)
Romer, 1955
Ref:
M.J. Benton, 2015
: 436.
Alternative positions
Crossopterygii
(Infraclass)
Huxley, 1861
Ref:
M.J. Benton, 2005
: 393.
Historical positions
Sarcopterygii
(Subclass)
Romer, 1955
Ref:
M.J. Benton, 2015
: 436, box 3.7 (p. 74).
Crossopterygii
(Infraclass)
Huxley, 1861
Ref:
M.J. Benton, 2005
: box 3.6.
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Last updated:
21 Sep 2025