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Pachystrophia inornatum
Taxonomy
Trochonema inornatum was named by Whiteaves (1884). It is not extant. Its type locality is Eurypterid-associated biota of the dolomite of the Lockport Fmn. at Elora, Ont., which is in a Ludlow open shallow subtidal dolomite in the Guelph Formation of Canada.
It was recombined as Euomphalus inornatus by Whiteaves (1895); it was recombined as Pachystrophia inornatum by Wagner (2023).
It was recombined as Euomphalus inornatus by Whiteaves (1895); it was recombined as Pachystrophia inornatum by Wagner (2023).