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Paraphyletic taxon:
Subclass
Sarcopterygii
Romer, 1955
- lobe-finned fishes and tetrapods
(fish)
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Hierarchy
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Entity:
[Osteichthyes] (Class) - bony fishes and tetrapods
..[†Acanthodii] (Subclass)
..[Actinopterygi] (Subclass)
..[Actinopterygii] (Subclass) - ray-finned fishes
..[Alepisauriformes] (Order)
..†Bobasatraniformes (Order)
..[Brachiopterygii] (Subclass)
..†Cephaloxeniformes (Order)
..[Choanichthyes] (Subclass)
..[Coelocanthiformes] (Order)
..[Crossopterygii] (Subclass)
..[Dipneusti] (Subclass)
..[†Histiothrissinae] (Subfamily)
..[Megalopiformes] (Order)
..[Neopterygii] (Division)
..[Paleopterygii] (Subclass)
..[Syngnathiiformes] (Order)
..[Tetradontiformes] (Order)
..[Sarcopterygii] (Subclass) - lobe-finned fishes and tetrapods
....[Actinistia] (Order) - coelacanths
....[Actinistia] (Infraclass) - coelacanths
....[Ceratodiformes] (Order)
....[Choanata] (Superorder)
....[Crossopterygii] (Superorder)
....[†Crossopterygii] (Order) - lobe-finned fishes
....[Crossopterygii] (Infraclass)
....[Dipnoi] (Order) - lungfishes
....[†Onychodontida] (Infraclass)
....†Shoshonia (Genus)
....[Tetrapodomorpha] (Infraclass)
Variants
Unranked name
:
Sarcopterygii
([unranked])
Romer, 1955
Different rank
:
Sarcopterygii
(Class)
Romer, 1955
Current rank
:
Sarcopterygii
(Superclass)
Romer, 1955
Ref:
R. Betancur-R et al., 2017
: 32; 10 May 2025.
[inferred]
Former rank
:
Sarcopterygii
(Class)
Romer, 1955
Ref:
M.J. Benton, 2015
: 436.
[inferred]
Synonyms
Synonymous name
:
Choanichthyes
(Subclass)
Ref:
A.S. Romer & T.S. Parsons, 1986
Vernacular Names (Dutch)
Full name
:
spiervinnigen
Ref:
B. Gardiner et al., 1989
: 301.
Vernacular Names (English)
Full name
:
lobe-finned fishes and tetrapods
Ref:
J.S. Nelson et al., 2016
: 102.
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026