Gastropods are a large class of molluscs that includes snails and slugs.
Gastropod; 15 mm wide. Discovered in the lower Windom Shale by Brandon Bialy.Gastropod; 15 mm wide. Discovered in Windom Shale by Brandon Bialy.Gastropod; 1.5 cm wide. Discovered in the Windom Shale by Jerry Bastedo.Gastropod; 2.6 cm wide. Discovered in the Tichenor Limestone by Dorothy Seville.
Platyceras gastropod (Bucculentum?) discovered by Dr. Edgar Kooijman in 2014.
