''Catathyridium grandirivi'' is a species of sole in the family

Achiridae The American soles are a family (Achiridae) of flatfish occurring in both freshwater and marine environments of the Americas. The family includes about 35 species in seven genera. These are closely related to the soles (Soleidae), and have ...

. It was described by

Paul Chabanaud Paul Chabanaud (30 November 1876, in Versailles – 27 February 1959) was a French ichthyologist and herpetologist. Beginning in 1915, he worked as a volunteer under zoologist Louis Roule at the ''Muséum National d'Histoire Naturelle'' in Pari ...

at 1928, originally under the genus '' Baeostoma''. It is known from Brazil. It reaches a maximum

standard length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish m ...

of .

References

Pleuronectiformes Fish described in 1928 {{Pleuronectiformes-stub