Helcionelloida - Helcionellida - Trenellidae

Full reference: W. M. Feng, W. G. Sun, and Y. Qian. 2000. Earliest Cambrian monoplacophora in northeastern Yunnan with some new genera and species. Acta Micropalaeontologica Sinica 17:365-377

Belongs to Tubatoconus according to P. J. Wagner 2023

See also Feng et al. 2000

Sister taxa: none

Type specimen: NIGP 132060, a shell. Its type locality is Yulu, Huize, which is in a Meishucunian/Nemakit-Daldynian marine phosphorite in the Zhujiaqing Formation of China.

Ecology: slow-moving low-level epifaunal grazer

Distribution: found only at Yulu, Huize

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Specimen images are retrieved through the ePANDDA API.