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Idiotrochus emarciatus
Taxonomy
Sphenotrochus emarciatus was named by Duncan (1865). Its type locality is Muddy Creek (BMNH collection), which is in a Langhian marine marl in the Port Campbell Limestone Formation of Australia.
It was recombined as Idiotrochus emarciatus by Wells (1958).
It was recombined as Idiotrochus emarciatus by Wells (1958).