Sao Khua sclerorhynchoid
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
- 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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