Genus
Ilmenichnus Hecker, 1980
Taxon description
Fernández & Pazos, 2012
Diagnosis. Unlined, horizontal to slightly oblique burrows in sediment, made up of uni-lobed to multi-lobed U-shaped spreite structures; exterior with longitudinal to transverse grooves and ridges (emended by Schlirf, 2011).
Remarks. For a thorough comparison with other U-shaped burrows see Schlirf (2011).
List of species
Classification