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: float, Limopsis conc., conc. 1, in gully 6 ft below Limopsis layer, prominent isolated knob to SW of main ridge, on W side of prairie trail, with several outcrops on W flanks, Long's Ridge, and 6.8 mi W of Whitehorse, Dewey County, South Dakota, USA. Collected by Ian G. Speden, 1962. IP number 344242; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=on same slab: IP.344242,IP.344247,IP.344248,IP.344253,IP.344254,IP.344259,IP.344243,IP.344244,IP.344251,IP.344252,IP.344245,IP.344246,IP.344249,IP.344250,IP.344255,IP.344256,IP.344257,IP.344258.
Yale Peabody Museum’s own description