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| Actinistia Temporal range: Devonian–Recent PreꞒ Ꞓ O S D C P T J K Pg N | |
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| West Indian Ocean coelacanth | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Sarcopterygii |
| Class: | Actinistia Cope, 1871 |
| Daughter taxa | |
| Synonyms | |
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Actinistia is a subclass of mostly fossil lobe-finned fishes. This subclass contains the coelacanths (Order Coelacanthiformes), including the two living species of coelacanths, both of the genus Latimeria: the West Indian Ocean coelacanth and the Indonesian coelacanth.
Taxonomy
- Class Sarcopterygii (lobe-finned fishes and tetrapods)
- Subclass Actinistia
- Family Miguashaiidae (Devonian)
- Family Diplocercidae (Devonian and Lower Carboniferous)
- Dictyonosteus
- Diplocercides (Nesides)
- Family Hadronectoridae
- Family Rhabdodermatidae (Primarily Carboniferous)
- Family Laugiidae (Lower Triassic to Lower Cretaceous)
- Order Coelacanthiformes (coelacanths)
- Family Whiteiidae
- Family Rebellatricidae
- Suborder Latimerioidei
- Family Mawsoniidae
- Family Latimeriidae
- Subclass Actinistia
Phylogeny
B, Diplocercides heiligostockiensis, Jessen (1966), Upper Devonian (Frasnian), Bergisch-Gladbach, Germany;
C, Serenicthys kowiensis gen. et sp. nov., Upper Devonian (Famennian), Grahamstown, South Africa;
D, Allenypterus montanus Melton 1969, Lower Carboniferous (Namurian), Montana, USA;
E, Rhabdodema elegans, (Newberry, 1856), Upper Carboniferous (Westphalian), Linton, Ohio, USA;
F, Latimeria chalumnae Smith 1939, recent, east coast of Africa.
The following cladograms are based on multiple sources.
| Actinistia |
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| Coelacanthiformes |
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See also
References
- Wendruff, A. J.; Wilson, M. V. H. (2012). "A fork-tailed coelacanth, Rebellatrix divaricerca, gen. et sp. nov. (Actinistia, Rebellatricidae, fam. nov.), from the Lower Triassic of Western Canada". Journal of Vertebrate Paleontology. 32 (3): 499–511. doi:10.1080/02724634.2012.657317.
- Gallo, V.; M.S.S. de Carvalho; H.R.S. Santos (2010). "New occurrence of †Mawsoniidae (Sarcopterygii, Actinistia) in the Morro do Chaves Formation, Lower Cretaceous of the Sergipe-Alagoas Basin, Northeastern Brazil". Boletim do Museu Paraense Emílio Goeldi. 5 (2): 195–205.
- Long, J. A. (1995). The rise of fishes: 500 million years of evolution. Baltimore: Johns Hopkins University Press.
- Cloutier, R.; Ahlberg, P. E. (1996). Morphology, characters, and the interrelationships of basal sarcopterygians. pp. 445–479.
- Clement, G. (2005). "A new coelacanth (Actinistia, Sarcopterygii) from the Jurassic of France, and the question of the closest relative fossil to Latimeria". Journal of Vertebrate Paleontology. 25 (3): 481–491. doi:10.1671/0272-4634(2005)025[0481:ancasf]2.0.co;2.
| Extant chordate classes | |||
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| Olfactores | |||
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| Extant Sarcopterygii orders by subclass | |
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| Coelacanthimorpha | |
| Dipnoi | |