Mycetomorpha abyssalis sp. nov., holotype, showing stalk penetrating the host pleonite-1 sternite (soft tissue in pleonite 1 removed), anterodorsal view; no triangular shield observed. ant – anterior; pos – posterior; sta – stalk. Scale bar: 10 mm.

  Part of: Kakui K (2024) A new parasitic barnacle (Crustacea, Cirripedia, Rhizocephala, Mycetomorpha) from the abyssal zone in the northwestern Pacific. Zoosystematics and Evolution 100(2): 385-390.