perekond
Biformites Linck, 1949
Taksoni kirjeldused
Knaust & Neuman, 2016
Diagnosis (emended): Narrow, bedding-parallel, vermiform, hook-shaped or sinuous imprints with slightly tapering terminations, un-branched or with secondary successive branching, with or withoutornament
Schlirf, 2005
Diagnosis: Narrow, vermiform, slightly tapering, horizontal, straight to curved structures with delicate, ideally bisymmetrically arranged, perpendicular elongate, or polygonal to round, positive or negative protuberances. Preserved as positive hyporeliefs.
Klassifikatsioon
| organismirühm | Biota | 
| ihnorühm | Ichnofossils | 
| Bioturbation trace fossils | |
| selts | Biformitidae | 
| perekond | Arcichnus | 
| Biformites | |
| liik | insolitus | 
| zhadaensis | |
| perekond | Harpichnus |