A fossil invertebrate fauna from the South-West end of Livingston Island, South Shetland Islands, is described. The fauna, found in marine beds interbedded in a plant-bearing continental sequence, consists of Spiticeras (Spiticeras) spitiensis, Blanfordiceras (Pseudoblanfordia) patagoniense, Favrella cf. steinmanni, Aulacosphinctes cf. spitiensis, Argentiniceras fasciculatus and Hibolites aff. jaculum. The following zones were identified: Cuyaniceras transgrediens, Spiticeras (Kilianiceras) damesi and Kilianiceras burckhardti. The fossils indate an age between late Tithonian and late Barremian; they show affinities with the Tithonian- Neocomian fauna of Southern Patagonia.
Se describe la fauna de invertebrados fósiles, encontrados en el extremo suroeste de Isla Livingston. La fauna está contenida en sedimentos marinos intercalados con estratos continentales con restos de plantas fósiles. Las especies determinadas son: Spiticeras (Spiticeras) spitiensis, Blanfordiceras (Pseudoblanfordia) patagoniense, Favrella cf. steinmanni, Aulacosphinctes cf., spitiensis, Argentiniceras fasciculatus e Hibolites aff. jaculum. Las siguientes zonas fueron identificadas : Cuyaniceras transgrediens, Spiticeras (Kilianiceras) damesi y Kilianiceras burckhardti. La fauna fósil indica una edad titoniana superior a barremiana superior; ella muestra afinidad con la fauna titoniana - neocomiana de la Patagonia Austral.