Genus
Fossichnus Nielsen, Nielsen et Bromley, 2003
Current taxon already exists. See initial taxon Oichnus
Taxon ID: 16357
Fossiiliryhmä: Bioerosional trace fossils
Sisältyy taksoniin: Bioerosional trace fossils
Other version of taxon: Oichnus
Baltian ja Fennoskandian lajit (tietokannassa olevat)
Taxon description
Knaust, 2012a
Unbranched, groove, etching.
Nielsen et al., 2003
Diagnosis.Biogenic concavity characterized by a circular to oval groove. Outer border conforms with inner border, both sharp in outline. Parts of the groove may penetrate through the substrate. Situated in skeletal substrates.
Luokittelu