Barbaxonella ovalis Lundblad, 1954
Type material: Holotype (Lundblad 1954) deposited in NRM, Lundblad No. Präp. 4514 (Lundblad 1956).
Type locality: Portugal: Beira Alta, in Santa Comba Dão (Lundblad 1954, 1956).
Geographical distribution: Portugal: Beira Alta, in Santa Comba Dão (Lundblad 1954, 1956).
Distribution in Portugal: Centre: Beira Alta, in Santa Comba Dão (Lundblad 1954, 1956).
Ecological notes: Freshwater, in slow-moderate flowing streams, on a sandy substrate; present in Carex spp. plants (Lundblad 1956).