The phylum Echinodermata includes approximately 7000 living species divided into five classes. In Brazil, 335 species are recorded, but there is much to be studied on this phylum. This study aimed to identify the occurrence of species of Echinodermata of the State of Santa Catarina (Brazil), which are represented by a total of 34 species. Of these, 09 belong to the class asteroids, 14 to Ophiuroidea, Echinoidea to 08, 02 for the Holoturoidea and 01 for the Crinoidea. 12 species listed in this article are listed as threatened with extinction.