2582 Author Chamorro, Maria Lourdes Author Holzenthal, Ralph W. text Zootaxa 2010 2010-08-31 2582 1 252 journal article 1175­5334 Polyplectropus guyanae species group, newly recognized This newly established group includes 2 new species and is characterized by the combined possession of the following traits ( Figs. 62 , 63 ): 1. Dorsal digitate lobe on the mesoventral process of the preanal appendage; 2. Presence of peg-like spines in the phallic endothecal membrane; 3. Oblong intermediate appendage with a pair of apical setae; 4. Absence of a dorsolateral process of the preanal appendage; 5. Clavate dorsal branch of the inferior appendage.