References for species Robertus vigerens (Chamberlin & Ivie, 1933)

Species Reference Comment Distribution
Garritus vigerens Chamberlin & Ivie 1933a: 9, pl. 2, f. 10-20
(PDF not available.)  (Dmf). USA, Canada, Alaska
Ctenium vigerens Kaston 1946: 13, f. 9-10, 29-31, 55
None noted here.
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