Cooyoo

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 grew up to around 2.5 metres (8.2 ft) long when fully grown. 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.

Cooyoo
Temporal range: Lower Cretaceous
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Superorder:
Osteoglossomorpha
Order:
†Ichthyodectiformes
Family:
†Ichthyodectidae
Genus:
†Cooyoo

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

References
  1. Bartholomai; Less (1987). "Cretaceous actinopterygian (Class Pisces) Cooyoo australis from Queensland". Memoirs of the Queensland Museum.



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