Silurian crinoids of the New Brunswick Museum, Saint John, Canada

Auteurs-es

  • Stephen K. Donovan Naturalis Biodiversity Center, Leiden, the Netherlands
  • Randall F Miller New Brunswick Museum, Saint John, NB

DOI :

https://doi.org/10.4138/atlgeol.2016.011

Mots-clés :

Paleontology, Crinoids, systematics, New Brunswick

Résumé

The New Brunswick Museum’s collection of Silurian crinoids from eastern Canada is small, and includes specimens from New Brunswick, Quebec and Nova Scotia. Material considered herein is, with one exception, from New Brunswick. Included are: the cladid Syndetocrinus dartae (Upper Silurian of Quebec); the camerates Scyphocrinites sp. (Pridoli or Lochkovian) and camerate crinoid arms gen. et sp. indet. (Lower Silurian); columnal morphotaxa Floricrinus (col.) sp. (Ludlow or Pridoli) and Lanxocolumnus (col.) sp. cf. L. chaleurensis Donovan and Keighley (probably Llandovery, Telychian); distal dendritic radicular attachments (Ludlow or Pridoli); and disarticulated brachials (Ludlow or Pridoli). ἀe fossil record of crinoids from the Silurian of New Brunswick appears depauperate, but this most likely reḀects the poor preservation of the specimens (commonly disarticulated and moldic) and the lack of interest shown by collectors. ἀe only remedy for this problem would be either discovery of a crinoid Lagerstätte, which would be attractive to collectors, or a focused campaign of collecting of disarticulated material from multiple outcrops.

Bibliographies de l'auteur-e

Stephen K. Donovan, Naturalis Biodiversity Center, Leiden, the Netherlands

Researcher with 34 years experience of Lower Paleozoic crinoids

Randall F Miller, New Brunswick Museum, Saint John, NB

Curator of geology at NBM.

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Publié-e

2016-11-26

Comment citer

Donovan, S. K., & Miller, R. F. (2016). Silurian crinoids of the New Brunswick Museum, Saint John, Canada. Atlantic Geoscience, 52, 223–236. https://doi.org/10.4138/atlgeol.2016.011

Numéro

Vol. 52 (2016)

Rubrique

Articles

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