Bivalvia - Mytilida - Mytilidae

Alternative combination: Modiomorpha ornatissima

Full reference: R. M. Johnston. 1887. Contribution to the palaeontology of the upper Palaeozoic rocks of Tasmania. Papers and Proceedings of the Royal Society of Tasmania for 1886 4-18

Belongs to Volsellina according to J. B. Waterhouse 1987

Sister taxa: Volsellina equatorialis, Volsellina heywoodi, Volsellina subelliptica

Type specimen: Its type locality is Porter's Hill (Johnston coll), which is in a Sakmarian marine siliciclastic in the Bundella Formation of Australia