ALLAGECRINOIDEA AND CODIACRINOIDEA: MICROCRINOIDS (ECHINODERMATA) FROM THE UPPER KUNGURIAN (LOWER PERMIAN) OF OMAN
DOI:
https://doi.org/10.54103/2039-4942/30643Keywords:
Permian; Crinoidea; disparids; eucladids; Russia; West Timor.Abstract
Upper Kungurian (Lower Permian) crinoids of the Allagecrinoidea and Codiacrinoidea are described from the Ash Sharqiyah South region of the Sultanate of Oman. These two taxonomic groups include both microcrinoids and small macrocrinoids that were isolated from washing bulk samples of the Qarari Unit from two sample sites near Wadi Khawr Al Jaramah, Batain, Oman. Eight genera, one new, and fourteen species, twelve new, are described. The Allagecrinoidea and Codiacrinoidea described herein complete our present understanding of crinoids from the Permian of Oman and help to better understand Permian echinoderm paleocommunities in the Neo-Tethys. The generic composition of this Oman microcrinoid fauna is intermediate in composition between those of Russia and West Timor.
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