Syrrhophus cystignathoides cystignathoides (Cope), New combination
Phyllobates cystignathoides Cope, 1877:89-90 [Syntypes.—USNM 32402-32409, from Potrero, near Córdoba, Veracruz, México, collected by Francis Sumichrast]. Boulenger, 1882:196.
Syrrhophus cystignathoides: Cope, 1879:268. Kellogg, 1932: 126-27. Taylor and Smith, 1945: 582-83. Smith and Taylor, 1948:50. Martin, 1958:49.
Syrrhaphus cystignathoides: Günther, 1900:218.
Syrraphus cystignathoides: Díaz de León, 1904:10.
Syrrhopus cystignathoides: Barbour and Loveridge, 1946-170[** 1946:170].
Fig. 5: Distribution of Syrrhophus cystignathoides campi (solid symbols) and the nominate subspecies (open symbols).