A new deep-sea pectinid bivalve from thermal vents of Manus back-arc Basin (south-western Pacific), Sinepecten segonzaci n. gen., n. sp. (Pectinoidea: Pectinidae), and its relationships with the genera Bathypecten and Catillopecten

Redescription of Chrysaora lactea Eschscholtz, 1829 (Cnidaria, Scyphozoa) from the Brazilian coast, with designation of a neotype

Aedes (Finlaya) alongi Galliard and Ngu (Diptera: Culicidae: Aedini): description of the female, redescription of the fourth-instar larva, and reassignment to genus Bothaella Reinert

Tetrabdella neotropica (Acari: Bdellidae), a new genus and species from Brazil