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Dwardius
''Dwardius'' is an extinct genus of otodontid sharks which existed during the Cretaceous period in what is now Australia, England,〔Page 148, ''Dinosaurs in Australia: Mesozoic Life from the Southern Continent'', by Benjamin Kear, Robert Hamilton-Bruce. Csiro Publishing, 2011. ISBN 0643102310/ISBN 9780643102316〕 France, and India. It was described by Mikael Siverson in 1999,〔Siverson, M. 1999. A new large lamniform shark from the uppermost Gearle Siltstone (Cenomanian, Late Cretaceous) of Western Australia. Transactions of the Royal Society of Edinburgh: Earth Sciences 90: 49–66.〕 as a new genus for the species ''Cretalamna woodwardi'', which had been described by J. Hermann in 1977.〔Hermann, J., 1977. ''Les Sélaciens des terrains néocrétacés & paléocènes de Belgique & des contrées limitrophes.'' Eléments d'une biostratigraphie intercontinentale. Toelicht. Verhand. Geologische en Mijnkaarten van België, n°15, 450 pp.〕 Another species, ''D. siversoni'', was described from the middle Albian of northeastern France by V.I. Zhelezko in 2000; the species epithet honours the author of the genus.〔Zhelezko, V.I. (V.I. ) 2000. The evolution teeth system of sharks of Pseudoisurus Gluckman, 1957 genus—the biggest pelagic sharks of Eurasia (Russian ). In: B.I. Čuvašov (ed.), Materialy po stratigrafii i paleontologii Urala 4, 136–141. Izdatel'stvo Uralskogo Otdeleniâ Rossijskoj Akademii Nauk, Ekanterinburg.〕 A new species, ''D. sudindicus'', was described by Charlie J. Underwood, Anjali Goswami, G.V.R. Prasad, Omkar Verma, and John J. Flynn in 2011, from the Cretaceous of India.〔C. J. Underwood, A. Goswami, G. V. R. Prasad, O. Verma, and J. J. Flynn. 2011. Marine vertebrates from the ‘Middle’ Cretaceous (Early Cenomanian) of South India. Journal of Vertebrate Paleontology 31(3):539-552〕
==Species==
* ''Dwardius woodwardi'' (Hermann, 1977)
* ''Dwardius siversoni'' Zhelezko, 2000
* ''Dwardius sudindicus'' Underwood et al., 2011
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