Acrorhizodus

Acrorhizodus is an extinct genus of hybodont chondrichthyan currently containing only the species: Acrorhizodus khoratensis. It is known from the Albian to Aptian aged Khok Kruat formation of the Khok Pha Suam locality near the town of Sri Muang Mai, Thailand. It displays a mix of features which sets it apart from all hybodont families currently known.^[1][2]

Acrorhizodus Temporal range: Aptian –Albian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Order:	†Hybodontiformes
Genus:	†Acrorhizodus Cappetta, 2006
Type species
†Acrorhizodus khoratensis Cappetta, 2006

References

1. Cappetta, Henri; Buffetaut, Eric; Cuny, Gilles; Suteethorn, Varavudh (2006). "A New Elasmobranch Assemblage from the Lower Cretaceous of Thailand". Palaeontology. 49 (3): 547–555. doi:10.1111/j.1475-4983.2006.00555.x. ISSN 1475-4983. S2CID 129380407.
2. Cuny, G.; Suteethorn, V.; Kamha, S.; Buffetaut, E. (2008). "Hybodont sharks from the lower Cretaceous Khok Kruat Formation of Thailand, and hybodont diversity during the Early Cretaceous". Geological Society, London, Special Publications. 295: 93–107. doi:10.1144/sp295.7. S2CID 128765264.