Gooloogongia loomesi reconstruction.jpg
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''Gooloogongia'' ( ) is a
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of prehistoric
lobe-finned fish Sarcopterygii (; ) — sometimes considered synonymous with Crossopterygii () — is a taxon (traditionally a class or subclass) of the bony fishes known as the lobe-finned fishes. The group Tetrapoda, a mostly terrestrial superclass includ ...
which belonged to the group of rhizodont fishes. ''Gooloogongia'' lived during the Late Devonian period (
Famennian The Famennian is the latter of two faunal stages in the Late Devonian Epoch. The most recent estimate for its duration estimates that it lasted from around 371.1 million years ago to 359.3 million years ago. An earlier 2012 estimate, still used b ...
stage Stage or stages may refer to: Acting * Stage (theatre), a space for the performance of theatrical productions * Theatre, a branch of the performing arts, often referred to as "the stage" * ''The Stage'', a weekly British theatre newspaper * Sta ...
, about 360
million years ago The abbreviation Myr, "million years", is a unit of a quantity of (i.e. ) years, or 31.556926 teraseconds. Usage Myr (million years) is in common use in fields such as Earth science and cosmology. Myr is also used with Mya (million years ago) ...
).Age of Fishes Museum, Canowindra
/ref> Fossils have been found in the Canowindra site, ( Australia). It was named by Zerina Johanson and Per Ahlberg in 1998. In general size and shape ''Gooloogongia'' is similar to the modern saratoga which lives in the tropical rivers of northern Australia. ''Gooloogongia loomesi'' ("Loomes' Gooloogong") named after Bruce Loomes, the foreman of the 1993 excavation of the Canowindra site, and the town of Gooloogong, NSW.


Description

''Gooloogongia'' was large in size (about 90 cm). Like other lobe-finned fishes, ''Gooloogongia'' had two rows of teeth in the jaw, the outer row being small teeth, and the inner row being larger fangs. The fangs of ''Gooloogongia'' are sharp and needle-like, but they were probably not strong enough to penetrate the armor plating of small
placoderms Placodermi (from Greek πλάξ 'plate' and δέρμα 'skin', literally 'plate-skinned') is a class of armoured prehistoric fish, known from fossils, which lived from the Silurian to the end of the Devonian period. Their head and thorax were ...
.


References


External links


''Gooloogongia loomesi''




* ttp://austmus.gov.au/palaeontology/field_sites/popups/canowindra61.htm Reconstruction of ''Gooloogongia loomesi''
Devonian rhizodontids and tristichopterids from East Gondwana
Late Devonian fish Devonian bony fish Prehistoric lobe-finned fish genera Rhizodonts {{paleo-lobefinned-fish-stub