Name: Gogo Formation. Location: The Kimberley, NW Australia. Age: Upper Devonian, Frasnian. 350 million years.

References and Links

Long, J. A. (1997). Ptyctodontid fishes from the Late Devonian Gogo Formation, Western Australia, with a revision of the European genus Ctenurela orvig, 1960. Geodiversitas, 19, 515-556

Long, J. A. (1995). The Rise of Fishes ­ 500 million Years of Evolution. University of New South Wales Press, Sydney.

Long, J. A. A new plourdosteid arthrodire (Pisces; Placodermi) from the Late Devonian Gogo Formation, Western Australia. Palaeontology, 38, 36-62.

Long, J. A. et al. (1985).Osteology and functional morphology of the osteolepiform fish Gogonasus andrewsae, from the Upper Devonian Gogo Formation, Western Australia. Records of the W. Australian Museum, Supplement 53, 1-89.

Links:

Fitzroy Crossing and Geikie Gorge National Park.

Western Australia Museum.

Gogo fish Educational Package.

Western Australia Cabinet and Government.

Acknowledgements:
Thanks to John Long at the Western Australian Museum for use of the images and to the Cabinet Office of Western Australia for the use of the placoderm geo-emblem.