Verrill, A. E. (1900). Additions to the Turbellaria, Nemertina, and Annelida of the Bermudas, with revisions of some New England genera and species
In: Verrill, A. E., Zoology of the Bermudas, 1903. 595-672 + 1 plate
Additions to the Turbellaria, Nemertina, and Annelida of the Bermudas, with revisions of some New England genera and species
In: Verrill, A. E., Zoology of the Bermudas, 1903