The Sao Khua sclerorhynchoid is an unnamed genus and species of sclerorhynchoid from the Early Cretaceous Sao Khua Formation in Thailand. It is known from the tip of a rostral denticle that is deposited in the Sirindhorn Museum as SM 2012-1-021. The denticle has a single barb similar to Onchopristis, Onchosaurus, and Pucapristis, but is distinguished from all other genera by having a row of enameloid "droplets" on each side.[1] It is one of the earliest sclerorhynchoids, along with Celtipristis and Onchopristis which also appeared in the Barremian.[2]
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References
edit- ^ Cuny, G.; Suteethorn, V.; Khansubha, S. (2015). "A sclerorhynchoid (Chondrichthyes: Batomorphii) in the Lower Cretaceous of Thailand?". New Mexico Museum of Natural History and Science Bulletin. 67: 15–17.
- ^ Kriwet, J. (1999). "Neoselachier (Pisces, Elasmobranchii) aus der Unterkreide (unteres Barremium) von Galve und Alcaine (Spanien, Provinz Teruel)". Palaeo Ichthyologica. 9: 113–142.
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