Order;Species;Location;Environment;References Harpacticoida;"Karllangia obscura Mielke, 1994";"Manzanillo, Caribbean coast";"Mud flat";1 "Karllangia pulchra Mielke, 1994";"Manzanillo, Caribbean coast";"Mud flat";1 "Phillopodopsyllus carinatus Mielke, 1992";"Manzanillo, Caribbean coast";"Beach slope";2 "Phillopodopsyllus gertrudi costaricensis Mielke, 1992";"Manzanillo, Caribbean coast";"Beach slope and mangrove";2 "Phyllopodopsyllus ancylus Mielke, 1992";"Punta Morales, Pacific coast";"Mud flat";2 "Orthopsyllus linearis curvaspina (Claus, 1886)";"Pacific coast";"Sandy beach";3 "Microcanuella bisetosa Mielke, 1994";"Gulf of Nicoya, Pacific coast";"Sandy beach";3 "Schizopera nicoyana Mielke, 1995";"Gulf of Nicoya, Pacific coast";"Sandy beach";4 "Schizopera osana Mielke, 1995";"Gulf of Nicoya, Pacific coast";"Sandy beach";4 "Laophontella horrida dentata (Por, 1964)";"Pacific coast";"Sandy beach";2 Monstrilloida;"Cymbasoma concepcionae Suárez-Morales & Morales-Ramírez, 2003";"Bahía Culebra, Pacific coast";pelagic;5 "Cymbasoma cocoense Suárez-Morales & Morales-Ramírez, 2009";"Cocos Island, Pacific Ocean";pelagic;6 "Monstrillopsis chathamensis Suárez-Morales & Morales-Ramírez, 2009";"Cocos Island, Pacific coast";pelagic;6 "Monstrillopsis cahuitae Suárez-Morales, Carrillo & Morales-Ramírez, 2013";"Cahuita National Park, Caribbean coast";pelagic;7 "Cymbasoma alvaroi Suárez-Morales, Carrillo & Morales-Ramírez, 2013";"Cahuita National Park, Caribbean coast";pelagic;7 Siphonostomatoida;"Lepeophtheirus alvaroi Suárez-Morales & Gasca, 2012";"Cocos Island, Pacific Ocean";"water column";8