Holotype of Marcusenius retrodorsalis Nichols & Griscom 1917 (=Paramormyrops retrodorsalis), Niapu, Congo, AMNH 6933.
Imaging technique:
Photograph
Description:
Holotype of Marcusenius retrodorsalis Nichols & Griscom 1917 (=Paramormyrops retrodorsalis), Niapu, Congo, AMNH 6933.
Creator:
Carl D. Hopkins
Taxonomic name: