Hypoptopoma gulare and Pseudacanthicus spinosus (Teffe, Brazil, 11 October 1865), Jacques Burkhardt

Taxonomic classification: animalia--hypoptopoma gulare (cope 1878). Taxonomic classification: animalia--pseudacanthicus spinosus (castelnau 1855). Date: 11 October 1865. Dimensions: 17 x 13 cm.. Medium: watercolor on paper. Collection: Harvard University. Hypoptopoma gulare and Pseudacanthicus spinosus (Teffe, Brazil, 11 October 1865)