Descriptions of Macrostylis antennamagna sp. n. and Macrostylis uniformis sp. n. are presented with notes on intraspecific variability and sexual dimorphism. Macrostylis uniformis sp. n. showes differences to Macrostylis antennamagna sp. n. in the length

The aim of this thesis is to explore phylogenetic relationships in the isopod family Macrostylidae and to gain insights from these data on faunal connections between the deep-sea and shallow-water biota as well as the origin of Macrostylidae. Applying

Background The Clarion-Clipperton Fracture Zone (CCFZ) in the Northeast Central Pacific Ocean is a region of heightened scientific and public interest because of its wealth in manganese nodules. Due to a poor ecological understanding at the abyssal seafloor