Mammillichnis jakubi Pokorný, Krmíček et Sudo 2017

Description.-Small, subhemispherical protuberances on sole of sandstone beds. Seven mm high and 9 to 12 mm wide. The mounds consist of a 3 to 5 mm hemicircular apex and a wide, flaring, upper flange. Surface granular with 2 mm long lobes apparent in some places.