[The Cystiscidae Stimpson, 1865 family (Mollusca: Neogastropoda) in Costa Rica. III The genus Plesiocystiscus Coovert & Coovert, 1995, with the decription of a new species from the Caribbean Sea.] Revista de la Academia Canaria de Ciencias, 31, Dec 2019: 83-92. 84 [Zoological Record Volume 159]