Lacus subterraneus Martianus
Lacus subterraneus planetae Martis, aliis verbis aqua liquida sub solio huius planetae latens, ope radaris per explorationes speculatri Mars Express sub Plano Australi anno 2018 reperta est. Qui lacus fere 19 chm. longum, 1.6 chiliometris sub solio iacentem, aqua salsissima temperatura −68 °C plenum esse censetur. Hoc loco magna pars aquarum planetae Martis hodie servari censetur.

Bibliographia 
 Anja Diez, "Liquid water on Mars" in Science (25 Iulii 2018)
 R. Orosei et al., "Radar evidence of subglacial liquid water on Mars" in Science (25 Iulii 2018)
 Francesco Salese et al., "Geological Evidence of Planet‐Wide Groundwater System on Mars" in JGR Planets (21 Ianuarii 2019)
 Michael M. Sori, Ali M. Bramson, "Water on Mars, With a Grain of Salt: Local Heat Anomalies Are Required for Basal Melting of Ice at the South Pole Today" in Geophysical Research Letters (12 Februarii 2019)

Topographia Martiana
Lacus

en:Lakes on Mars#Southern polar cap subglacial lake