Type material is found in the collections of Alexander Abercrombie ( India ), Robert Dukinfield Darbishire, Professor Alfred Cort Haddon ( Torres Straits ), Reverend James Hadfield ( Lifu, Loyalty Islands ), Lewis John Shackleford ( especially " Marginella " ), George Cooper Spence ( especially African land snails and " Urocoptis " and many specimens from Matthew William Kemble Connolly and Hugh Berthon Preston ), Frederick W . Townsend ( Persian Gulf ), syntype material from the Scottish National Antarctic Expedition ( 1902 1904 ) and that received from the Smithsonian Institution in 1973 in an exchange.
