''Andrianavoay'' (meaning "noble

crocodile Crocodiles (family (biology), family Crocodylidae) or true crocodiles are large semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia. The term crocodile is sometimes used even more loosely to inclu ...

" in Malagasy) is an extinct genus of

teleosauroid Teleosauroidea is an extinct superfamily of thalattosuchian crocodyliforms living from the Early Jurassic to the Early Cretaceous The Early Cretaceous ( geochronological name) or the Lower Cretaceous (chronostratigraphic name), is the earlier o ...

from the

Bathonian In the geologic timescale the Bathonian is an age and stage of the Middle Jurassic. It lasted from approximately 168.3 Ma to around 166.1 Ma (million years ago). The Bathonian Age succeeds the Bajocian Age and precedes the Callovian Age. Strat ...

(in the

Middle Jurassic The Middle Jurassic is the second epoch of the Jurassic Period. It lasted from about 174.1 to 163.5 million years ago. Fossils of land-dwelling animals, such as dinosaurs, from the Middle Jurassic are relatively rare, but geological formations co ...

)

Kandreho Formation The Kandreho Formation is an Early Jurassic (middle or late Toarcian) geological formation of the Mahajanga Basin of Madagascar. The marly limestones of the formation were deposited in a subtidal lagoonal environment. The formation overlies the ...

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

. The type species, ''A. baroni'', was originally named "''

Steneosaurus ''Steneosaurus'' (from el, στενός , 'narrow' and el, σαῦρος , 'lizard') is a dubious genus of teleosaurid crocodyliform from the Middle or Late Jurassic (Callovian or early Oxfordian) of France. The genus has been used as a was ...

''" ''baroni'' by ET Newton in 1893 on the basis of a partial skull listed as "NHMUK PV R 1999",Newton R. 1893. On the discovery of a secondary reptile in Madagascar: ''Steneosaurus baroni'' ; (n sp.). with a reference to some post-Tertiary vertebrate remains from the same country recently acquired by the British Museum (Natural History). ''Geological Magazine'' 10: 193-198 and an associated osteoderm from Andranosamonta, Madagascar. In her unpublished 2019 thesis, Michela Johnson coined the nomen (''ex dissertatione'') ''Andrianavoay'' for ''S. baroni''. The genus name was published in 2020.

References

{{Taxonbar, from=Q100252650 Thalattosuchians Toarcian life Jurassic reptiles of Africa Jurassic Madagascar Fossils of Madagascar Fossil taxa described in 2020 Prehistoric pseudosuchian genera