Paraprostatum echinolittorinae Faubel & Sluys, 2007

Ramos-Sánchez, Mariela, 2024, The polyclads (Platyhelminthes: Polycladida) from the Tropical Eastern Pacific: Commented checklist and description of a new species, European Journal of Taxonomy 962 (1), pp. 1-67 : 13

Paraprostatum echinolittorinae Faubel & Sluys, 2007

Paraprostatum echinolittorinae Faubel & Sluys in Faubel et al., 2007: 430–433, figs 1, 2a–b, 4 (type locality: Puerto Ángel, Oaxaca, Mexico).

Paraprostatum echinolittorinae – Lee et al. 2021: 1–17 (new record from Naos Island at the Pacific entrance of the Panama Canal).

Distribution

Playa de los Muertos, Puerto Vallarta, Jalisco, Puerto Ángel, Oaxaca, México; Manuel Antonio National Park, Guanacaste, Costa Rica; Naos Island at the Pacific entrance of the Panama Canal, Punto Chocolatera, Salinas, Ecuador.

Habitat

Commensal (mantle cavities of Cerithium stercusmuscarum Valenciennes, 1832 , Echinolittorina modesta (R.A. Philippi, 1846) , E. apicina (Menke, 1851) , E. conspersa (R.A. Philippi, 1847) , E. tenuistriata (D. Reid, 2002) , Lottia mesoleuca (Menke, 1851) , Nerita scabricosta Lamarck, 1822 , N. funiculata Menke, 1850 , Planaxis planicostatus G.B. Sowerby I, 1825 , Tegula pellisserpentis (W. Wood, 1828)) .

Remarks

Paraprostatum echinolittorinae is characterized by a male reproductive system with a long stylet enclosed by a strong muscular bulb; a long vagina partially provided with circular muscle fibers and epithelial cilia, communicating with a bilateral uterus; absence of Lang’s vesicle; cerebral eyes and presence of nuchal tentacular knobs.