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