Actinistia

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Actinistia
Temporal range: Devonian–Recent
Latimeria Paris.jpg
West Indian Ocean coelacanth
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Sarcopterygii
Subclass: Actinistia
Cope, 1871
Daughter taxa

Orders

Families

Genera

Synonyms
  • Coelacanthimorpha
Whiteia fossils

Actinistia is a subclass of mostly fossil lobe-finned fishes. This subclass contains the coelacanths (Order Coelacanthiformes), including the two living coelacanths, both of the genus Latimeria: the West Indian Ocean coelacanth and the king of the sea.

Taxonomy[edit]

Phylogeny[edit]

A, Miguashaia bureaui, Shultze, 1973, Upper Devonian (Frasnian), Migausha, Canada;
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.[1][2][3][4][5]



Rhipidistia


Actinistia
Miguashaiidae

Gavinia



Miguashaia





Diplocercidae

Dictyonosteus



Diplocercides




Hadronectoridae

Hadronector





Allenypterus



Holopterygius






Lochmocercus




Polyosteorhynchus



Rhabdodermatidae

Rhabdoderma



Caridosuctor



Synaptolus






Sassenia




Coelacanthidae

Axelia



Coelacanthus



Wimania



Ticinepomis




Laugiidae

Coccoderma



Laugia



Trachymetopon








Spermatodus



Coelacanthiformes























Coelacanthiformes
Whiteiidae

Piveteauia



Whiteia





Rebellatricidae

Rebellatrix


Latimerioidei

Garnbergia


Mawsoniidae

Chinlea




Parnaibaia




Mawsonia



Axelrodichthys











Diplurus



Libys




Latimeriidae


Holophagus



Undina






Macropoma




Swenzia



Latimeria

















See also[edit]

References[edit]

  1. ^ 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. 
  2. ^ 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. 
  3. ^ Long, J. A. (1995). The rise of fishes: 500 million years of evolution. Baltimore: Johns Hopkins University Press. 
  4. ^ Cloutier, R.; Ahlberg, P. E. (1996). Morphology, characters, and the interrelationships of basal sarcopterygians. pp. 445–479. 
  5. ^ 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.