Molluscs
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Discus (Gonyodiscus) rotundatus
Euconulus (Euconulus) cf alderi
Euconulus (Euconulus) cf fulvus
Dwarf Pond Snail - Galba (Galba) truncatula
Nautilis Ramshorn - Gyraulus (Armiger) crista
White Ramshorn - Gyraulus (Gryaulus) albus
Lauria (Lauria) cylindracea
Lehmannia marginata
Leopard Slug - Limax maximus
Also known as Tiger Slug or Giant Garden Slug
Great Pond Snail - Lymnaea (Lymnaea) stagnalis
Marsh Pond Snail - Lymnaea (Stagnicola) palustris
Monacha (Monacha) cantiana
Lake Orb Mussel - Musculium lacustre
Mud Snail - Omphiscola glabra
This species is UK BAP listed.
Oxychilus (Oxychilus) alliarius
Oxychilus (Oxychilus) cellarius
Oxychilus (Oxychilus) draparnaudi
Oxyloma (Oxyloma) elegans
Pea Mussel - Pisidium casertanum
Pea mussel - Pisidium nitidum
Greater Ramshorn Snail - Planorbarius corneus
Jenkin's Spire Snail - Potamopyrgus antipodarum
This was known as Potamopyrgus jenkinsi. It is native to New Zealnad but has invaded aquatic habitats across Europe and North America.