Basilochelys
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''Basilochelys'' is an extinct genus of land turtle which existed during the early Cretaceous period (
Berriasian In the geological timescale, the Berriasian is an age/stage of the Early/Lower Cretaceous. It is the oldest subdivision in the entire Cretaceous. It has been taken to span the time between 145.0 ± 4.0 Ma and 139.8 ± 3.0 Ma (million years ago) ...
). Containing the sole species ''Basilochelys macrobios'', its fossils have been found in the
Phu Kradung Formation The Early Cretaceous Phu Kradung Formation is the lowest member of the Mesozoic Khorat Group which outcrops on the Khorat Plateau in Isan, Thailand. This geological formation consists of micaceous, brown to reddish-brown siltstone beds with minor ...
of Northeast Thailand.Tong, H.; Claude, J.; Naksri, W.; Suteethorn, V.; Buffetaut, E.; Khansubha, S.; Wongko, K. & Yuangdetkla, P. 2009
''Basilochelys macrobios'' n. gen. and n. sp., a large cryptodiran turtle from the Phu Kradung Formation (latest Jurassic-earliest Cretaceous) of the Khorat Plateau, NE Thailand
. In: Buffetaut, E.; Cuny, G.; Le Loeuff, J. & Suteethorn, V. (eds.). Late Palaeozoic and Mesozoic Ecosystems in SE Asia. Geological Society, London, Special Publications 315: 229-243.
It is considered to be the most basal member of the group Trionychoidae.


References

Trionychidae Prehistoric turtle genera Berriasian life Early Cretaceous turtles Prehistoric turtles of Asia Early Cretaceous reptiles of Asia Cretaceous Thailand Fossils of Thailand Fossil taxa described in 2009 {{Cretaceous-reptile-stub