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Taxonomy
Asaphus tecticaudatus was named by Steinhardt (1874). It is not extant.
It was recombined as Pseudasaphus tecticaudatus by Jaanusson (1953); it was recombined as Pseudoasaphus tecticaudatus by Nestor (1990).
It was recombined as Pseudasaphus tecticaudatus by Jaanusson (1953); it was recombined as Pseudoasaphus tecticaudatus by Nestor (1990).