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| Image courtesy of the Smithsonian Institution Specimen Catalog Number: USNM PAL 39942 Specimen GUID: http://n2t.net/ark:/65665/m3d84e97de-ad18-4d93-b196-63b98eb801e1 Specimen housed in the collections of the Department of Paleobiology, National Museum of Natural History, Smithsonian Institution |
Barycrinus stellatus (Troost, 1850) crinoid calyx fossil described in A Critical Summary of Troost's Unpublished Manuscript on the Crinoids of Tennessee
by Elvira Wood
1909. Drawings in this post are from Plate 8 figures 6-8 drawn by Major Adolphus Heiman (1809-1862). This crinoid was found in Keokuk horizon of the Tullahoma formation Stewart County
Tennessee USA (Mississippian Period). It was assigned
U.S. National Museum number 39942 and identified as a holotype. Originally it was called Cyathocrinites steallatus.
Photos are from the Smithsonian collection. The calyx is identified as being 19.5 mm in width.
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| Image courtesy of the Smithsonian Institution Specimen Catalog Number: USNM PAL 39942 Specimen GUID: http://n2t.net/ark:/65665/m3b87b9092-b56d-4328-a50b-6d88dbb88830 Specimen housed in the collections of the Department of Paleobiology, National Museum of Natural History, Smithsonian Institution |
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| Image courtesy of the Smithsonian Institution Specimen Catalog Number: USNM PAL 39942 Specimen GUID: http://n2t.net/ark:/65665/m3f3fd6c75-c59b-41d2-bf35-1580a382510c Specimen housed in the collections of the Department of Paleobiology, National Museum of Natural History, Smithsonian Institution |
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| Image courtesy of the Smithsonian Institution Specimen Catalog Number: USNM PAL 39942 Specimen GUID: http://n2t.net/ark:/65665/m362f5b1a6-526f-44bf-ad50-e774a9aabf28 Specimen housed in the collections of the Department of Paleobiology, National Museum of Natural History, Smithsonian Institution |