Ichnofossils
Species

Rosselia erecta (Torell, 1870)

https://files.geocollections.info/large/55/c8/55c87f5c-ebfc-4113-983b-d797e1e09104.jpghttps://files.geocollections.info/large/1c/b9/1cb9eece-1548-4ce7-a6fd-3c1efad5cb74.jpg
Taxon description

Knaust, 2021c

Revised diagnosis. Unbranched, subvertical Rosselia with a funnel-shaped aperture, in which the passively filled cylindrical tube is enlarged to occupy a major fraction of the funnel. Adjacent sedimentary laminae are commonly deflected downward.

Synonymy list
1870     Micrapium erectum — Torell , pp. 11
1975     Dolopichnus gulosus — Alpert & Moore , pp. 224 , fig. figs. 3-6
1996     Monocraterion ningxiaensis Yin — Yin et al. , pp. 433 , fig. 1:2-4, 7
2021     Rosselia erecta (Torell, 1870) comb. nov. — Knaust , fig. Fig. 3
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Classification