Catathyridium is a genus of mainly freshwater American soles native to South America.
Species The currently recognized species in this genus are: Catathyridium garmani (Jordan, 1889) Catathyridium grandirivi (Chabanaud, 1928) Catathyridium jenynsii (Günther, 1862) Catathyridium lorentzii (Weyenbergh (de), 1877)
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