Inkslinger10 Posted September 13, 2019 Share Posted September 13, 2019 Another unidentified specimen from central Lincoln county Missouri. Found today while walking Sugar Creek. 1 Link to post Share on other sites
Greg.Wood Posted September 13, 2019 Share Posted September 13, 2019 Looks like a blastoid to me. Resembles the genus Globoblastus 1 Link to post Share on other sites
piranha Posted September 13, 2019 Share Posted September 13, 2019 USGS shows Upper Ordovician Maquoketa Formation in Lincoln County. Looks like a good match for the asaphid trilobite: Anataphrus sp. 2 Link to post Share on other sites
Mark Kmiecik Posted September 13, 2019 Share Posted September 13, 2019 Trilobites are laterally symmetrical. Blastoids are radially symmetrical. I'm seeing radial symmetry. I'm in the blastoid camp. 1 Link to post Share on other sites
JohnBrewer Posted September 13, 2019 Share Posted September 13, 2019 Blastoid for me too Link to post Share on other sites
piranha Posted September 13, 2019 Share Posted September 13, 2019 At first glance I thought these highlighted areas looked like an axial furrow. Now I'm becoming less convinced... 1 Link to post Share on other sites
howard_l Posted September 14, 2019 Share Posted September 14, 2019 Silicified bastoid neat Link to post Share on other sites
Inkslinger10 Posted September 14, 2019 Author Share Posted September 14, 2019 Oh, "This buds for me!" Lol. A Sea Bud! Wasn't familiar with Globoblastus. Thanks for all the help guys! Link to post Share on other sites
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