Genus
Scoyenia White, 1929
Taxon description
Schlirf, 2005
Emended diagnosis: Unbranched, unlined, straight to winding, vertical to horizontal, undulose, cylindrical structures with distinct meniscate fill; diameter of burrow slightly variable. Exterior with longitudinal or oblique, straight to slightly curving ridges and grooves. Cross-overs, intersections, orsecondary successive branching may occur.
Frey et al., 1984b
Diagnosis.-Irregularly walled, longitudinally striated burrows of slightly varying diameter, filled with conspicuously meniscated sediment.
Luokittelu