Ripley
Description
Source: Wikipédia
The Ripley Formation is a geological formation in North America found in the U.S. states of Alabama, Georgia, Mississippi, Missouri, and Tennessee. The lithology is consistent throughout the layer. It consists mainly of glauconitic sandstone. It was formed by sediments deposited during the Maastrichtian stage of the Late Cretaceous. It is a unit of the Selma Group and consists of the Cusseta Sand Member, McNairy Sand Member and an unnamed lower member. It has not been extensively studied by vertebrate paleontologists, due to a lack of accessible exposures. However, fossils have been unearthed including crocodile, hadrosaur, nodosaur, tyrannosaur, ornithomimid, dromaeosaur, and mosasaur remains have been recovered from the Ripley Formation.
Découvertes
Source: The Paleobiology Database
Site(s) correspondant(s) à cette formation: 1
near Fort Deposit : Alabama - Lowndes Publication(s)
La base comprend 2 publication(s).
Source: The Paleobiology Database
- ↑1 2 J. F. Lamb. 1996. Ankylosauria from the Upper Cretaceous of Alabama. Journal of Vertebrate Paleontology 16(3, suppl.):47A
- ↑1 S. M. Ebersole and J. L. King. 2011. A review of non-avian dinosaurs from the Late Cretaceous of Alabama, Mississippi, Georgia, and Tennessee. Bulletin of the Alabama Museum of Natural History 28:81-93