New insight into Cenozoic Orbitestellidae (Gastropoda: Heterobranchia) from the Magellanic Region based on lower Neogene and Recent species Available to Purchase

Gastropods of the genus Antistreptus as examples of persistent molluscan lineages in the Neogene of the southwestern Atlantic Available to Purchase

Taxonomic status of some species of Aspidostomatidae (Bryozoa, Cheilostomata) from the Oligocene and Miocene of Patagonia (Argentina) Available to Purchase

Early Jurassic Trochotomidae (Vetigastropoda, Pleurotomarioidea) from the Neuquén Basin, Argentina Available to Purchase

Cenozoic Ampullinidae and Naticidae ( Mollusca, Gastropoda ) from Patagonia, Argentina Available to Purchase

Callochiton monteleonensis n. sp., First Record of Polyplacophora (Mollusca) from the Neogene of Argentina Available to Purchase

MADRYNOMYA BRUNETI N. GEN. AND SP. (BIVALVIA: ?MODIOMORPHIDAE): A MESOZOIC SURVIVOR IN THE TERTIARY OF PATAGONIA? Available to Purchase

THE GENUS TROPHON MONFORT, 1810 (GASTROPODA: MURICIDAE) IN THE TERTIARY OF PATAGONIA Available to Purchase

Late Cretaceous and Tertiary aporrhaid gastropods from the southern rim of the Pacific Ocean Free

Late Cretaceous-early Tertiary gastropods from southwestern Patagonia, Argentina Free

Eocene bivalves from the Rio Turbio Formation, southwestern Patagonia (Argentina) Free

Modiomytilus, a new mytilid bivalve from the Tertiary of southern Patagonia Free