Five new species of cotylean flatworms (Platyhelminthes: Polycladida) from the wider Caribbean

Abstract

Five new species of cotylean flatworms belonging to the genera Pseudoceros Lang, 1884, Thysanozoon Grube, 1840, Pseudobiceros Faubel, 1984 and Maritigrella Newman & Cannon, 2000, are described from the wider Caribbean. Specific determinations are based primarily on color and color pattern. Diagrammatic reconstructions of the reproductive systems derived from serial histological sections and whole mounts are presented. In addition, a re-description of Pseudoceros pardalis Verrill, 1900 resulted in the new combination, Pseudobiceros pardalis.