(*)D Ruiz-Ramos, E Hernandez, NV Schizas (2011). Population status of the long-spined urchin Diadema antillarum in Puerto Rico 20 years after a mass mortality event. Bulletin of Marine Science. Vol 87. DOI: 10.5343/bms.2010.1038
(pdf) or if you do not have access to the journal (pdf of galleys, final version will be slightly modified)

V Pesic, T Chatterjee, NV Schizas (2008). Marine water mites (Acari: Hydrachnidia: Pontarachnidae) from the Caribbean Sea, with description of one new species. Cahiers de Biologie Marine 49(3):253-259. (pdf)

(*)H Torres-Pratts, NV Schizas (2007). Meiofaunal colonization of decaying leaves of the red mangrove Rhizophora mangle, in southwestern Puerto Rico. Caribbean Journal of Science, 43 (1): 127-137. (pdf). High resolution pictures of Figure 2 (here) and Figure 3 (here).

(*)H Torres-Pratts, MT Scharer and NV Schizas (2009) Genetic diversity of Chelonibia caretta, commensal barnacles of the endangered hawksbill sea turtle Eretmochelys imbricata from the Caribbean (Puerto Rico). Journal of the Marine Biological Association of the UK 89:(4) 719-725 (pdf)(Copyright of Cambridge University Press).