Microphysula cookei
Microphysula cookei, common name the Vancouver snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Thysanophoridae.
Original description
The species Microphysula cookei was originally described as Zonitoides cookei by Henry Augustus Pilsbry in 1922.Pilsbry's original text reads as follows: