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Hormotoma anna
Taxonomy
Murchisonia anna was named by Billings (1859). It is not a trace fossil.
It was recombined as Hormotoma anna by Ulrich and Scofield (1897), Wagner (1999), Wagner (2023).
It was recombined as Hormotoma anna by Ulrich and Scofield (1897), Wagner (1999), Wagner (2023).