[1] Limniphacos is derived from the Greek words limne (lake) and phakos (lens of the eye).
[1] Earliest portion of the upper part of the Buen Formation, Brillesø, North of the Jørgen Brønlund Fjord, Southern Peary Land, Greenland.
[1] Limniphacos perspiculum occurs together with Mesolenellus hyperborea, Serrodiscus, hyoliths, Petrianna fulmenta (Bradoriida), and inarticulate brachiopods.
[1] The raised central part of the head shield (or glabella) is conical (with a narrow front and a wide back), and has four or five pairs of furrows.
[1] Limniphacos species were probably marine bottom dwellers, like all Olenellina.