"Pseudunela cornuta" is the type species of the genus "Pseudunela".Challis, who described the species in 1970, claimed to have deposited the holotype of "Pseudunela cornuta", 20 paratypes and a slide with the radula of a further paratype in the Natural History Museum, London; furthermore, he claimed that 10 paratypes and a slide with another radula were deposited in the Museum of New Zealand Te Papa Tongarewa, Wellington; he said that the remaining paratypes and the sectioned material were stored in his private collection.