Taxa included

Roth, V. D. (1981). A new genus of spider (Agelenidae) from California exhibiting a third type of leg autospasy. Bulletin of the American Museum of Natural History 170: 101-105.

Taxon
Willisus Roth, 1981 (Cybaeidae) 102, type Willisus gertschi Roth, 1981; gender masculine Original description
Willisus gertschi Roth, 1981 (Cybaeidae) 103, f. 1-8 (Dmf), Willisus gertschi Original description

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