Genus
Xylonichnus Genise, 1995
Taxon description
Wisshak et al., 2019a
Macroboring; substrate xylic; tracemaker invertebrate
Genise, 1995
Diagnosis: Longitudinal borings at different depths inthe xylem, interconnected by tangential tunnels. Crosssections of borings are rectangular; with rounded cornersand extremely flat; the height approximately one-fourththe width. Borings have an outer layer and are filled withfrass that is mostly separated in packages, or has meniscusstructure. Borings are in permineralized wood of a con-ifer, which exhibits well-preserved cellular structure.
Buatois et al., 2017
Category of architectural design: 2.60. Borings with elliptical to sub-rectangular cross sections.
Knaust, 2012a
Unbranched, elliptical.
Classification
Organism group | Biota |
Ichnofossil group | Ichnofossils |
Bioerosional trace fossils | |
Family | Talpinidae |
Genus | Cunctichnus |
Cycalichnus | |
Ipites | |
Lapispecus | |
Paleoscolytus | |
Talpina | |
Xylonichnus | |
Species | meniscatus |
trypetus |