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 |