Biology:Cooyoo

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Short description: Extinct species of fish


Cooyoo
Temporal range: Lower Cretaceous
Cooyoo australis 23.jpg
Reconstruction according to specimen "Wandah"
Scientific classification
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Cooyoo

Bartholomai & Less,[1] 1987
Binomial name
Cooyoo australis
Bartholomai & Less, 1987 (Woodward, 1894)
Synonyms
  • Portheus australis Woodward, 1894
  • Xiphactinus australis

Cooyoo is a primitive ichthyodectid found in Lower Cretaceous strata of Queensland, Australia .[1] As with all other ichthyodectids, it was a predator of smaller fish. It is known from complete specimen with length about 1.1 metres (3.6 ft). The type species, named in 1987, is C. australis,[1] although Arthur Smith Woodward originally named it as a species of Portheus (now a probable synonym of Xiphactinus) in 1894, which was later amended to Xiphactinus.

In 2011,[2] 2.5 metres (8.2 ft) long intact fossil of Cooyoo in north-west Queensland is discovered, nicknamed "Wandah". According to Rob Levers, Kronosaurus Korner museum founder and chairman, it was possible to detect the fish in the stomach of that specimen.[3]

References

  1. 1.0 1.1 1.2 Bartholomai; Less (1987). "Cretaceous actinopterygian (Class Pisces) Cooyoo australis from Queensland". Memoirs of the Queensland Museum. 
  2. "Kronosaurus Korner - Fish". https://www.kronosauruskorner.com.au/museum/collections/fish. 
  3. "Tourists unearth 100 million-year-old marine predator in western Queensland" (in en-AU). ABC News. 2023-02-28. https://www.abc.net.au/news/2023-03-01/richmond-cooyoo-australis-fish-fossil-rare-find/102031456. 

Wikidata ☰ Q5168130 entry