M. Chamberlin, 1949: 536, type M. arienus Chamberlin, 1949.
In synonymy:
M. nogales Chamberlin, 1949 = M. conspectus (Gertsch & Davis, 1936) (Ivie, 1967: 129).
mf arienus Chamberlin, 1949 *....................USA [urn:lsid:amnh.org:spidersp:011535]
M. a. Chamberlin, 1949: 536, f. 99-102 (Dmf).
mf conspectus (Gertsch & Davis, 1936)....................USA [urn:lsid:amnh.org:spidersp:011536]
Tapinocyba conspecta Gertsch & Davis, 1936: 4, f. 5-7 (Dm).
Masoncus nogales Chamberlin, 1949: 537, f. 93-98 (Dmf).
M. c. Ivie, 1967: 129 (Tm from Tapinocyba, Sf).
f dux Chamberlin, 1949....................Canada [urn:lsid:amnh.org:spidersp:011537]
M. d. Chamberlin, 1949: 536, f. 103 (Df).
mf pogonophilus Cushing, 1995....................USA [urn:lsid:amnh.org:spidersp:011538]
M. p. Cushing, 1995: 56, f. 1-5 (Dmf).