Loloichnus baqueroensis Bedatou, Melchor, Bellosi et Genise, 2008

Diagnosis. Mainly straight to gently curved, vertical to oblique, thickly lined burrows of constant diameter. They are mostly passively-filled and sub-circular in cross section, Upward Y-branching and pelletal fillings may be present. Inner surface of lining showing transversal, parallel, and adjacent elongated grooves, which are semicircular in cross section. The burrow filling, when detached from the lining may show a knobby surface texture. Burrow endings are blunt and chambers are absent.