Unidentified bladder snails

Bladder snail (Family Physidae). Elm Creek Reserve, MN, USA.
Maple Grove 2018 030 Elm Creek Reserve Maple Grove Minnesota Naomi Physidae USA bladder snail mollusk
Bladder snail (Family Physidae). Elm Creek Reserve, MN, USA.
Maple Grove 2018 029 Elm Creek Reserve Maple Grove Minnesota Naomi Physidae USA bladder snail mollusk
Bladder snail (Family Physidae). Elm Creek Reserve, MN, USA.
Maple Grove 2018 028 Elm Creek Reserve Maple Grove Minnesota Naomi Physidae USA bladder snail mollusk