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 | Brutalichnus | 
| Heterodontichnites | |
| Knethichnus | |
| liik | parallelus | 
| perekond | Linichnus | 
| Machichnus | |
| Mandaodonites | |
| Mikulasichnus | |
| Nihilichnus | |
| Selachiodentichnus |