†Protohertzina robusta Qian 1977 (arrow worm)
Full reference: Y. Qian. 1977. Hyolitha and some problematica from the Lower Cambrian Meishucun Stage in Central and SW China. Acta Palaeontologica Sinica 16(2):255-278
Belongs to Protohertzina according to Y. Qian 1977
Sister taxa: Protohertzina anabarica, Protohertzina cultrata, Protohertzina dabashanensis, Protohertzina siciformis, Protohertzina unguliformis, Hastina quadrigoniata
Ecology: nektonic carnivore