Pennsylvanian ?seed / ?trace, in sandstone, likely fluvial, likely Illinois Homepage › Forums › What Is It? › Pennsylvanian ?seed / ?trace, in sandstone, likely fluvial, likely Illinois Tagged: ichnology, Pennsylvanian, plant, trace This topic has 2 replies, 3 voices, and was last updated 4 years, 1 month ago by Dr. Ronny Maik Leder. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts August 31, 2016 at 3:20 pm #11201 Asa KaplanParticipant Came across this odd fossil in a Chicago city park. Other similar boulders nearby had woody plant fossils. Curious what y’all can make of this one. 1st image is a stereophoto. Pennsylvanian ?seed / ?trace, in sandstone, likely fluvial, likely Illinois Attachments:You must be logged in to view attached files. October 12, 2016 at 3:41 pm #13643 Eleanor GardnerModerator Apologies that your post has gone unanswered for so long, @asa-kaplan. @rleder has a background in paleobotany; what do you think Ronny? October 12, 2016 at 7:56 pm #13680 Dr. Ronny Maik LederKeymaster @asa-kaplan, Hi Asa, upon first look it appears like a fossil Carya, but that would not match with Pennsylvanian age, so I suggest that you might have a pseudofossil here. best Ronny Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic.