Rick Strapple Posted July 29 Share Posted July 29 Attached are 3 photos for identification of unknow fossil. I have no geographic information or stratigraphic info. I am thinking it may be either, algae, hyolith, or graptolite or a combination thereof. The matrix is black shale. I believe likely Ordovician. Thanks in advance for any ID information Rick Strapple Link to post Share on other sites
Ludwigia Posted July 29 Share Posted July 29 Too fuzzy to determine. Please post well-focussed photos, also close-ups and also point out exactly which structures and objects interest you. 1 Link to post Share on other sites
Fossildude19 Posted July 29 Share Posted July 29 These look like ichnofossils to me. Better in focus pictures would help. 1 Link to post Share on other sites
Rockwood Posted July 29 Share Posted July 29 I'm pretty sure these are crinoid stems. The photo is a bit dark though. Link to post Share on other sites
Fossildude19 Posted July 29 Share Posted July 29 Not seeing the segmentation you would expect from crinoid stems. Better photos needed. Brightened: Link to post Share on other sites
Kane Posted July 29 Share Posted July 29 I would be comfortable calling these ichnofossils, such as worm burrows. Link to post Share on other sites
Rockwood Posted July 29 Share Posted July 29 The lower left is where I see segmentation. I'm assuming the preservation to be marginal to begin with. We really need a clearer photo though. Link to post Share on other sites
Rick Strapple Posted July 30 Author Share Posted July 30 The preservation of the fossil is actually good. I thought photo number three was quite clear. Thank you for your comments. Rick Link to post Share on other sites
Mark Kmiecik Posted July 30 Share Posted July 30 2 hours ago, Rick Strapple said: I thought photo number three was quite clear. Photo #3 has motion blur. The camera selected a longer than normal exposure because of poor lighting, making it almost impossible to hold the camera steady enough to avoid it. Take a photo outside on a sunny day. 1 Link to post Share on other sites
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