2.4 Gyrocanthus
Gyrocanthus is an acanthodian fish (see Acanthodes for more details) from the Carboniferous.
Above: Fin spine of Gyrocanthus seen from the side.
Above: broken distal end of the fin spine of Gyrocanthus.
This specimen is a fin-spine. Acanthodians are characterised by possessing a prominent spine along the leading edge of many of their fins.
Licensed under the Creative Commons Attribution Non-commercial Share Alike 3.0 License
'Vertebrate Palaeontology and Evolution' has been released as an open educational resource (OER) on a Creative Commons 'Attribution Non-commercial Share Alike' license. This means that once downloaded, content can be modified and improved to complement a particular course. This requires, however, that improvements are recycled back into the OER community. All content present at the time of download must be accordingly credited and, in turn, novel content must be appropriately licensed. For more information, please refer to the license deed by clicking on the link above.