File:Unidentified fossil (Boggs Limestone) 2 (16365182719).jpg

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Description

Unidentified silicified fossil (~1 mm across) that at first glance is a hexactine sponge spicule, but it has swollen projections, and may be a foram (?). Several specimens are available - they have an apparent aperture at the base of one of the projections. The aperture is in a consistent spot on different specimens. The tests are hollow.

Is this in or related to Order Fusulinida, Family Tuberitinidae?

Is this an odd sponge spicule?

Stratigraphy: acid-insoluble residue from the Boggs Limestone, upper Morrowan or lower Atokan, Pennsylvanian
Date
Source Unidentified fossil (Boggs Limestone) 2
Author James St. John

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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/16365182719. It was reviewed on 3 March 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

3 March 2015

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current18:13, 3 March 2015Thumbnail for version as of 18:13, 3 March 20152,452 × 1,992 (790 KB)Jacopo Werther (talk | contribs)Transferred from Flickr via Flickr2Commons

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