1864 Xenodon angustrirostris Peters. 
1868 Xenodon suspectus Cope. 
1885 Xenodon bipraeoculis Cope. 
Distribution: Amazonia. 
X. suspectus Cope = X. r. rabdocephalus, fide Dixon 1983, 
Lbid., 352257; 
Xenopholis W. Peters, 1869. Includes Paroxyrhopus Schenkel, 1900, 
fide Hoge & Federsoni, 1975, Ibid. 38:137-46. 
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