Mawsonia (fish)

Mawsonia
Temporal range: Kimmeridgian-Cenomanian
~
Skeleton of Mawsonia gigas, showing estimated size of largest known individual
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Sarcopterygii
Class: Actinistia
Order: Coelacanthiformes
Suborder: Latimerioidei
Family: Mawsoniidae
Genus: Mawsonia
Woodward, 1907
Type species
Mawsonia gigas
Woodward, 1907
Other Species
  • M. brasiliensis Yabumoto, 2002
  • M. minor? Woodward, 1908
  • M. libyca? Weiler, 1935
  • M. soba Brito, 2018
  • M. tegamensis Wenz, 1975
  • M. ubangiensis? Casier, 1961

Mawsonia is an extinct genus of prehistoric coelacanth fish. It is amongst the largest of all coelacanths, with one quadrate specimen (DGM 1.048-P) possibly belonging to an individual measuring 5.3 metres (17.4 feet) in length. It lived in freshwater and brackish environments from the late Jurassic to the mid-Cretaceous (Kimmeridgian to Cenomanian stages, about 152 to 96 million years ago) of South America, eastern North America, and Africa. Mawsonia was first described by British paleontologist Arthur Smith Woodward in 1907.