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Got me stumped! Mollusk? But it's so spherical?


Inkslinger10

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Another unidentified specimen from central Lincoln county Missouri. Found today while walking Sugar Creek.

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USGS shows Upper Ordovician Maquoketa Formation in Lincoln County.  Looks like a good match for the asaphid trilobite: Anataphrus sp.

 

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Trilobites are laterally symmetrical. Blastoids are radially symmetrical. I'm seeing radial symmetry. I'm in the blastoid camp.

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At first glance I thought these highlighted areas looked like an axial furrow.  Now I'm becoming less convinced... mail?url=http%3A%2F%2Fmail.yimg.com%2Fok%2Fu%2Fassets%2Fimg%2Femoticons%2Femo20.gif&t=1568403682&ymreqid=23281213-8dc1-3cff-1c03-150003018200&sig=ZptcCXxjEvEhcfjhu4Bpdg--~C mail?url=http%3A%2F%2Fmail.yimg.com%2Fok%2Fu%2Fassets%2Fimg%2Femoticons%2Femo31.gif&t=1568403682&ymreqid=23281213-8dc1-3cff-1c03-150003018200&sig=PIfFh_yDMMd3GeupWjYizg--~C

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Oh, "This buds for me!" Lol. A Sea Bud! Wasn't familiar with Globoblastus. Thanks for all the help guys!

 

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