...Fig. 2. Fustiglyphus annulatus   Vialov, 1971 , NHM TF 100019, Whitby Mudstone Formation, Ketton Quarry, East Midlands (Lower Jurassic, Toarcian). In this view the burrow is presented as if it was a horizontal, that is, parallel to bedding. Compare, particularly, with Stanley and Pickerill...

... and Pickerill (1993) from the Ordovician of Ontario, one specimen of Fustiglyphus annulatus ( Stanley and Pickerill, 1993 , fig. 3C) is similar to Halimedides described in our study. Specimens discussed here are also very different from conceptual models proposed by Uchman (1998 , fig. 11...

...), endichnial burrow. ( n ) Fustiglyphus annulatus – ICSSF, middle sandstone member (member II), convex epirelief. ( o ) Glockerichnus isp. – ICSSF, middle sandstone member (member II), convex epirelief. ( p ) Dolopichnus gulosus – ICSSF, middle sandstone member (member II), endichnial burrow. ( q...