Hydryphantes (Hydryphantes) dispar (Schaub, 1888)
Synonyms: Hydrodroma dispar Schaub, 1888 (original designation); Hydryphantes intermedius Daday, 1901; Hydryphantes abnormis Koenike, 1908; Hydryphantes algeriensis Walter, 1925
Type material: Holotype (Schaub 1888), possibly not deposited in any scientific collection.
Type locality: Europe (Schaub 1888), probably North Atlantic .
Geographical distribution: Palaearctic (GBIF 2022; Di Sabatino et al. 2010).
Distribution in Portugal: South: Alentejo, in Ribeira de Odivelas (Lundblad 1956).
Ecological notes: Freshwater, at standing and temporary waters; present in plants, such as Batrachium spp., Myriophyllum spp., Nymphea spp. (Lundblad 1956); Larval insect hosts: Ephydridae dipterans (Di Sabatino et al. 2010).
Hydryphantes (Hydryphantes) placationis Thon, 1899
Type material: Unknown, possibly lost.
Type locality: Germany: Böhmen (Thon 1899) .
Geographical distribution: Europe (Di Sabatino et al. 2010).
Distribution in Portugal: South: Alentejo, in Ribeira de Odivelas (Lundblad 1956).
Ecological notes: Freshwater, in slow-flowing waters(Di Sabatino et al. 2010), standing and temporary waters; present in waters plants, such as Batrachium spp., Myriophyllum spp., Nymphea spp. (Lundblad 1956) .