Alder J. & Hancock A. (1848). On a proposed new order of Gasteropodous Mollusca. <i>Annals and Magazine of Natural History</i>, (2)1: 401-415, pl. 19-20, available online athttp://biodiversitylibrary.org/page/22194303[details]
original descriptionAlder J. & Hancock A. (1848). On a proposed new order of Gasteropodous Mollusca. <i>Annals and Magazine of Natural History</i>, (2)1: 401-415, pl. 19-20, available online athttp://biodiversitylibrary.org/page/22194303[details]