Undina is a genus of prehistoric coelacanth, lobe-finned fish, which lived from the Triassic period to the Cretaceous period (Only ranges Sinemurian to Tithonian according to 2021 study[1]).

Undina
Temporal range: Triassic-Cretaceous 251.9–66.0 Ma
Undina penicillata, at Göteborgs Naturhistoriska Museum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Sarcopterygii
Class: Actinistia
Order: Coelacanthiformes
Family: Latimeriidae
Genus: Undina
Münster, 1834
Synonyms

Holophagus Egerton 1861

Species

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  • Undina acutidens Reis, 1888
  • Undina barroviensis
  • Undina gulo (synonym: Holophagus gulo) (type species)
  • Undina penicillata (Munster)
  • Undina? picena (Costa, 1862)
  • Undina purbeckensis

Distribution

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Species of this genus have been found in Cretaceous of Spain, in Jurassic of Germany, Turkey and the United Kingdom and in Triassic of Italy.

 
Restoration of Undina gulo
 
Undina penicillata
 
Undina acutidens, abt. 25 cm long, at the Naturhistorisches Museum, Wien
 
Undina penicillata, Jurassic Painten, Germany

References

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  1. ^ Cavin, Lionel; Piuz, André; Ferrante, Christophe; Guinot, Guillaume (2021-06-03). "Giant Mesozoic coelacanths (Osteichthyes, Actinistia) reveal high body size disparity decoupled from taxic diversity". Scientific Reports. 11 (1): 11812. Bibcode:2021NatSR..1111812C. doi:10.1038/s41598-021-90962-5. ISSN 2045-2322. PMC 8175595. PMID 34083600.


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