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Plain Pocketbook
Lampsilis cardium
1,054 observations
Fatmucket
Lampsilis siliquoidea
954 observations
Giant Floater
Pyganodon grandis
772 observations
Wabash Pigtoe
Fusconaia flava
680 observations
Three-ridge Mussel
Amblema plicata
531 observations
Spike
Eurynia dilatata
374 observations
Zebra Mussel
Dreissena polymorpha
373 observations
Pimpleback
Pustulosa pustulosa
361 observations
Flutedshell
Lasmigona costata
338 observations
Black Sandshell
Ligumia recta
329 observations
White Heelsplitter
Lasmigona complanata
280 observations
Three-horn Wartyback
Obliquaria reflexa
252 observations
Mucket
Ortmanniana ligamentina
250 observations
Fragile Papershell
Potamilus fragilis
250 observations
Pink Heelsplitter
Potamilus alatus
244 observations
Chinese Mystery Snail
Margarya chinensis
242 observations
Hickorynut
Obovaria olivaria
214 observations
Lilliput
Toxolasma parvum
213 observations
Elktoe
Alasmidonta marginata
204 observations
Creeper
Strophitus undulatus
178 observations
Paper Pondshell
Utterbackia imbecillis
167 observations
Round Pigtoe
Pleurobema sintoxia
163 observations
Mapleleaf
Quadrula quadrula
145 observations
Quagga Mussel
Dreissena bugensis
135 observations
Threeridge Valvata
Valvata tricarinata
129 observations
Banded Mystery Snail
Callinina georgiana
128 observations
Ellipse
Venustaconcha ellipsiformis
122 observations
Deertoe Mussel
Truncilla truncata
108 observations
Leopard Slug
Limax maximus
99 observations
Higgins' Eye Pearly Mussel
Lampsilis higginsii
95 observations
Pink Papershell
Potamilus ohiensis
90 observations
Milky Slug
Deroceras reticulatum
83 observations
Yellow Sandshell
Lampsilis teres
79 observations
Marsh Ramshorn
Planorbella trivolvis
77 observations
Western Dusky Slug
Arion subfuscus
61 observations
Asian Clam
Corbicula fluminea
60 observations
Pistolgrip
Quadrula verrucosa
57 observations
Lymnaea jugularis
Lymnaea jugularis
55 observations
Butterfly Mussel
Ellipsaria lineolata
52 observations
Lake Floater
Pyganodon lacustris
51 observations
Cylindrical Papershell
Anodontoides ferussacianus
48 observations
Monkeyface Mussel
Theliderma metanevra
46 observations
Marsh Pond Snail
Ladislavella elodes
45 observations
Flamed Tigersnail
Anguispira alternata
39 observations
Grooved Fingernailclam
Sphaerium simile
39 observations
Washboard
Megalonaias nervosa
38 observations
Rainbow Mussel
Cambarunio iris
38 observations
Rock-pocketbook
Arcidens confragosus
33 observations
Purple Wartyback
Cyclonaias tuberculata
32 observations
Fawnsfoot
Truncilla donaciformis
32 observations
Frequently Asked Questions
- The 10 most common molluscs in Wisconsin are:
- Plain Pocketbook (Lampsilis cardium)
- Fatmucket (Lampsilis siliquoidea)
- Giant Floater (Pyganodon grandis)
- Wabash Pigtoe (Fusconaia flava)
- Three-ridge Mussel (Amblema plicata)
- Spike (Eurynia dilatata)
- Zebra Mussel (Dreissena polymorpha)
- Pimpleback (Pustulosa pustulosa)
- Flutedshell (Lasmigona costata)
- Black Sandshell (Ligumia recta)
- The most observed mollusc in Wisconsin is Plain Pocketbook (Lampsilis cardium), with 1,054 recorded observations.