Rhodocrinus nodulus Crinoid Calyx Fossil

This fossil appears to be a Rhodocrinus nodulus (Hall) crinoid calyx fossil. It was found in the Jeffersonville Limestone of Jefferson County, Kentucky USA. This layer dates to the Devonian Period.

Document used to identify the fossil was Memoir 16 The Devonian Crinoids of the State of New York by Winifred Goldring, The University of the State of New York, 1923. Page 488 description of plate 2 on page 89. Specimen used to describe fossil is listed as from collection of Doctor Springer and found at Hamilton Shale of Falls of the Ohio, Louisville, Ky.

Thanks to Kenny for image and discovering this fossil.

Polyaxons strongylasters Sponge Spicule Fossils

These images are of Polyaxons strongylasters sponge spicule fossils. They were found trapped in cavities in Halysites coral fossils and a microscope is needed to see them. The images have a 1-2mm field of view.

The fossils were found in the Louisville Limestone of Jefferson County, Kentucky USA. This layer dates to the Silurian Period.

Thanks to Kenny for images and discovering them with his microscope.

Campanile anachoreta Gastropod Fossil

This image is of a Campanile anachoreta gastropod fossil. This animal existed in the Cretaceous Period. Fossil was discovered in Thebaid, Egypt.

Picture taken at Museo di Geologia e Paleontologia Florence Italy (Università degli Studi di Firenze) in August 2019.