Because of the great importance of the obtained results of the Joint Expedition Havana-Harvard in 1938-1939, on board of the R/V Atlantis, as well as the difficult access to the original literature, it was decided to publish present list on the 371 species and 5 subspecies of mollusk, crustaceans, and echinoderms of this expedition. The scientific names, authors and date of publications of each species of which 19 species and 3 subspecies of mollusk, 24 species and ones subspecies of crustaceans and 31 species and one subspecies of echinoderms, considered then new species for Science, are also pointed out. [ABSTRACT FROM AUTHOR]