PPhoto of the palaeontologic enigma Tentaculites oswegoensis, partially named for where it predominantly occurs, Oswego, IL. Sampled by David Voorhees, 2009 from the Ordovician Brainard Member of the Maquoketa Formation exposed in Waubonsie Creek in Oswego, IL.
Originally uploaded in NAGT:About NAGT:Divisions:Geo2YC Division:Geo2YC Newsletters.
Image 355380 is a 1436 by 1102 pixel WebP
Uploaded:
Sep28 25