Species
Knethichnus parallelus Jacobsen et Bromley, 2009
Taxon description
Jacobsen & Bromley, 2009
Diagnosis: Scraping structures in witch serration traces extend as parallel grooves leading in some cases away from an initial groove.
Synonymy list
2009     Knethichnus parallelum isp. nov. — Jacobsen & Bromley , pp. 377, fig. 3
2011     Knethichnus parallelum — Niedzwiedzki et al. , pp. 89, fig. 1A-C
2019     Knethichnus parallelus Jacobsen and Bromley, 2009 — Wisshak et al. 
2022     Knethichnus parallelum Jacobsen & Bromley, 2009 — Mujal et al. 
2023     Knethichnus parallelum — Boessenecker & Geislar , fig. 72F
2025     Knethichnus parallelus Jacobsen and Bromley (2009), emended by Wisshak et al. (2019) — Hunt & Lucas , pp. 336
Classification
| Organism group | Biota | 
| Ichnofossil group | Ichnofossils | 
| Bioerosional trace fossils | |
| Family | Machichnidae | 
| Genus | Knethichnus | 
| Species | parallelus |