Monday, March 6, 2023

Granatocrinites globosus Blastoid Fossil


Granatocrinites globosus (Troost, 1835) blastoid fossil Plate 4 figures 12-14 drawn by Major Adolphus Heiman (1809-1862) from A Critical Summary of Troost's Unpublished Manuscript on the Crinoids of Tennessee by Elvira Wood 1909. This very distinct blastoid was found in the Devonian Period aged at Bedford County Tennessee USA. It was assigned U.S. National Museum number 33077 and identified as a holotype. Elvira Wood refers to as Orbitremites granulatus (Roemer).

Picture of the real fossil is below:

Image courtesy of the Smithsonian Institution Specimen Catalog Number:  USNM PAL 33077 Specimen GUID: Photographer Suzanne McIntire. Specimen housed in the collections of the Department of Paleobiology, National Museum of Natural History, Smithsonian Institution