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 species of coelacanths, both of the genus Latimeria: the West Indian Ocean coelacanth and the Indonesian coelacanth.

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.