perekond
Knethichnus Jacobsen et Bromley, 2009
Taksoni kirjeldused
Wisshak et al., 2019a
Predation; substrate osteic; tracemaker vertebrate
Jacobsen & Bromley, 2009
Diagnosis: Scraping structures in witch serration traces extend as parallel grooves leading in some cases away from an initial groove.
Klassifikatsioon
| organismirühm | Biota |
| ihnorühm | Ichnofossils |
| Bioerosional trace fossils | |
| sugukond | Machichnidae |
| perekond | Knethichnus |
| liik | parallelum |
| perekond | Linichnus |
| Machichnus | |
| Mandaodonites | |
| Nihilichnus |