Prostheceraeus fitae Soutullo, Cuadrado & Norena 2021

Prostheceraeus fitae Soutullo, Cuadrado & Noreña, 2021 Prostheceraeus fita Soutullo et al., 2021: 374–376, fig. 8b–e (type locality: Langosta Beach, Las Baulas National Park of Guanacaste, Costa Rica). Distribution Playa Langosta, Las Baulas National Park of Guanacaste, Costa Rica. Habitat Benthic. Remarks Prostheceraeus fitae has white and black stripes with a yellow central line, a much more delicate stipe compared to other species in the genus, and a long and narrow male atrium. The genus Prostheceraeus currently comprises 19 valid species, most of them distributed in the North Atlantic and Mediterranean (Soutullo et al. 2021), while three species P. fitae, P. nigricornus Schmarda, 1859, and P. panamensis Woodworth, 1894 are found in the Pacific Ocean.