Echiniscoides sigismundi porphyrae n. subsp. (Grimaldi de Zio et al. 2000) Terra typica: Indian Ocean (Prince Edward Islands, sub-Antarctic)
Indian Ocean:
• 46 ° 54 ′S, 37 ° 45 ′E [46 ° 54 ′S, 37 ° 53 ′E]; 0 m bsl: [FAO 58] Type Locality: sub-Antarctic, Prince Edward Islands, E part of Marion Island, 2 km SE of Transvaal Cove, Macaroni Bay, intertidal zone, algae (Porphyra sp.). Grimaldi de Zio et al. (2000)
Record numbers (Sea/Ocean classification): Indian Ocean: 1; total: 1.
Record numbers (FAO classification): FAO 58: 1; total: 1.
Remarks: This subspecies is known only from the type locality (see also remarks for Echiniscoides s. sigismundi).