Sao Khua sclerorhynchoid

From WikiProjectMed
Jump to navigation Jump to search

Sao Khua sclerorhynchoid
Temporal range: Barremian
Scientific classification
Kingdom:
Phylum:
Class:
Superorder:
Order:
Suborder:
Family:

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]

References

  1. ^ 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.
  2. ^ Kriwet, J. (1999). "Neoselachier (Pisces, Elasmobranchii) aus der Unterkreide (unteres Barremium) von Galve und Alcaine (Spanien, Provinz Teruel)". Palaeo Ichthyologica. 9: 113–142.