Classification of the genus Physemataspis
G. †Physemataspis Evitt and Tripp 1977
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Subg. †Physemataspis (Physemataspis) Evitt and Tripp 1977
Subg. †Physemataspis (Prophysemataspis) Lespérance and Desbiens 1995
†Physemataspis coopi Evitt and Tripp 1977
†Physemataspis insularis Shaw 1968
†Physemataspis mirabilis Tripp 1980
†Physemataspis tholus Evitt and Tripp 1977
†Physemataspis torulatus Evitt and Tripp 1977