The limpet Nacella concinna is a dominant macroinvertebrate along the coastal Antarctic Peninsula with two ecotypes inhabiting intertidal and subtidal areas, respectively. The ecological aim of the study was to understand ...

The volutid gastropod Zidona dufresnei is an important fishery resource from the Southwestern Atlantic Ocean. This species exhibits strong interpopulation differences in life history features, which lead to postulate the ...

Broad-scale latitudinal morphological trends in gastropods along the southwestern Atlantic coast are scant, since the majority of studies have focused on local scales. Here, we evaluate biogeographic shell shape variation ...

Freshwater bivalves of the order Unionoida display an uncommon phenotypic plasticity with high interpopulation and intrapopulation morphological variability, which could be advantageous for coping with habitat modifications. ...

The Asian tramp snail Bradybaena similaris (Férussac, 1822) is an exotic mollusk native to Southeast Asia. The species has been catalogued as invasive in several countries and is important to human health, animal health, ...

This contribution presents a complete revision of the extinct geoemydid Echmatemys from North America, based on new information and a re-evaluation of previously published specimens. Echmatemys is the most diverse and ...