Limopsis striatopunctatus
From the collection of Yale Peabody Museum. Free to download, adapt and use — no permission needed.
Geological context: Late Cretaceous, Fox Hills Fm, Trail City Mbr. Collection locality: various layers in road cut on E side of spur and on W side of old US 12 about .75 mi S of intersection with Wakpala road, N side of hill with Ridgeview 1954 bench mark, and 4.5 mi S of Mahto, Corson County, South Dakota, USA. Collected by Karl M. Waage, George Colton, 1949. IP number 562136; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=on same slab: IP.562136,IP.562961,IP.562959,IP.562960,IP.562962,IP.562964,IP.562966,IP.562967,IP.562968,IP.562969,IP.562970,IP.562971,IP.562972,IP.562973,IP.562974,IP.562975,IP.562976,IP.562977,IP.562963,IP.562965.
Yale Peabody Museum’s own description