Named By: E. T. Newton - 1893.
Classification: Chordata, Synapsida, Therapsida, Dicynodontia, Geikiidae.
Species: G. elginensis (type), G. locusticeps.
Known locations: Scotland - Cutties Hillock Sandstone Formation. Tanzania
Time period: Changhsingian of the Permian.
Fossil representation: Partial remains.
Geikia is a genus of dicynodont known to have lived during the latest stage of the Permian. Like other dicynodonts Geikia would have been a plant eater with two prominent tusks projecting down from the upper jaw.
- On some New Reptiles from the Elgin Sandstones. - Transactions of the Royal Society of London, Series B, Biological Sciences 184:431-503. - E. T. Newton - 1893
- The morphology, affinities, and age of the dicynodont reptile Geikia elginensis, by Timothy Rowe. - In. Aspects of Vertebrate History. Museum of Northern Arizona Press. pp. 269–294. - E. L. Jacobs(ed.). - 1980.
- Remarks on the genus Geikia Newton, 1893, and its relationships with other dicynodonts: (Reptilia: Therapsida). - Transactions of the Geological Society of South Africa. 87 (1): 35–39. - Arthur R.I. Cruickshank - 1984.
- Reappraisal of Geikia locusticeps (therapsida: Dicynodontia) from the Upper Permian of Tanzania. - Palaeontology. 48 (2): 309–324. - Michael W. Maisch & Eva V. I. Gebauer - 2005.
- Tetrapod fauna of lowermost Usili Formation (Songea Group, Ruhuhu Basin) of southern Tanzania, with a new burnetiid record. - Journal of Vertebrate Paleontology. 30 (3): 696–703. - Christian A. Sidor, Kenneth D. Angielczyk, D. Marie Weide, Roger M. H. Smith, Sterling J. Nesbitt & Linda A. Tsuji - 2010.