Five species were identified in the studied collection: Colossendeis megalonyx Hoek, 1881, first record for Uruguay, Ascorhynchus corderoi du Bois-Reymond Marcus, 1952 and Pallenopsis candidoi Mello-Leitão, 1949, with extended ranges, patagonica (Hoek, 1881), a complex recently analysed molecular data Ammothea tetrapoda , recorded previously Uruguayan waters. Our study clarifies records based o...