Mecaster batnensis (Coquand, 1862), a late Cenomanian echinoid from New Mexico, with a compilation of Late Cretaceous echinoid records in the Western Interior of the United States and Canada

@article{Hook2017MecasterB,
  title={Mecaster batnensis (Coquand, 1862), a late Cenomanian echinoid from New Mexico, with a compilation of Late Cretaceous echinoid records in the Western Interior of the United States and Canada},
  author={Stephen C. Hook and William Aubrey Cobban},
  journal={Acta Geologica Polonica},
  year={2017},
  volume={67},
  pages={1-30}
}
  • S. HookW. A. Cobban
  • Published 31 March 2017
  • Geology, Environmental Science
  • Acta Geologica Polonica
Echinoids are rare in the Upper Cretaceous of the Western Interior, where fewer than 60 unique occurrences are known to date, most of these represented by only a few tests or isolated spines. A notable exception is the Carthage coal field (Socorro County, New Mexico), where more than 200 specimens of Mecaster batnensis , previously referred to as Hemiaster jacksoni Maury, 1925, have been collected from the basal Bridge Creek Limestone Beds of the Tokay Tongue of the Mancos Shale. Prolific… 
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