Reference

Samuel Hubbard Scudder (1882): II. Universal index to genera in Zoology. Complete list of generic names employed in zoology and paleontology to the close of the year 1879, as contained in the nomenclators of #Agassiz, Marschall#, and #Scudder#, and in the Zoological Record – Bull. U. S. natn. Mus. – 19?: 1 - 339.