Second account of the fishes collected by Dr. W. J. Ansorge in the Niger Delta Author Boulenger, George Albert text Proceedings of the Zoological Society of London, B 1903 2 2 324 330 journal article 1D9D293720B54801B22618938CC53027 1D9D293720B54801B22618938CC53027 Petrocephalus ansorgii , new species This treatment is a stub. You can help Plazi making the full treatment available.