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Asian Clam
Corbicula fluminea
348 observations
Leopard Slug
Limax maximus
347 observations
Yellow Sandshell
Lampsilis teres
274 observations
Giant Floater
Pyganodon grandis
263 observations
Fragile Papershell
Potamilus fragilis
152 observations
Pink Heelsplitter
Potamilus alatus
135 observations
Mapleleaf
Quadrula quadrula
125 observations
Pondmussel
Sagittunio subrostratus
118 observations
Three-ridge Mussel
Amblema plicata
113 observations
Plain Pocketbook
Lampsilis cardium
97 observations
Zebra Mussel
Dreissena polymorpha
81 observations
Paper Pondshell
Utterbackia imbecillis
75 observations
White Heelsplitter
Lasmigona complanata
74 observations
Pimpleback
Pustulosa pustulosa
74 observations
Flamed Tigersnail
Anguispira alternata
65 observations
Fatmucket
Lampsilis siliquoidea
63 observations
Pistolgrip
Quadrula verrucosa
61 observations
Deertoe Mussel
Truncilla truncata
60 observations
Pondhorn
Uniomerus tetralasmus
55 observations
Carolina Mantleslug
Philomycus carolinianus
52 observations
Pink Papershell
Potamilus ohiensis
51 observations
Lilliput
Toxolasma parvum
47 observations
Ellipse
Venustaconcha ellipsiformis
46 observations
Three-horn Wartyback
Obliquaria reflexa
44 observations
Mucket
Ortmanniana ligamentina
43 observations
Purple Wartyback
Cyclonaias tuberculata
40 observations
Wabash Pigtoe
Fusconaia flava
39 observations
White-lip Globe Snail
Mesodon thyroidus
35 observations
Ozark mantleslug
Megapallifera ragsdalei
32 observations
Spike
Eurynia dilatata
32 observations
Monkeyface Mussel
Theliderma metanevra
31 observations
Butterfly Mussel
Ellipsaria lineolata
30 observations
Western Fanshell
Cyprogenia aberti
29 observations
Round Pigtoe
Pleurobema sintoxia
29 observations
Black Sandshell
Ligumia recta
28 observations
Milky Slug
Deroceras reticulatum
28 observations
Whitewashed Rabdotus
Rabdotus dealbatus
28 observations
flat floater
Utterbackiana suborbiculata
28 observations
Ouachita Kidneyshell
Ptychobranchus occidentalis
27 observations
Spectaclecase
Cumberlandia monodonta
23 observations
Bladetooth Wedge
Xolotrema fosteri
22 observations
Arkansas brokenray
Lampsilis reeveiana
20 observations
Washboard
Megalonaias nervosa
19 observations
Fawnsfoot
Truncilla donaciformis
18 observations
Northern brokenray
Lampsilis brittsi
18 observations
Flutedshell
Lasmigona costata
16 observations
Creeper
Strophitus undulatus
14 observations
Ozark Pigtoe
Fusconaia ozarkensis
13 observations
Meadow Slug
Deroceras laeve
13 observations
Striped Greenhouse Slug
Ambigolimax valentianus
13 observations
Frequently Asked Questions
- The 10 most common molluscs in Missouri are:
- Asian Clam (Corbicula fluminea)
- Leopard Slug (Limax maximus)
- Yellow Sandshell (Lampsilis teres)
- Giant Floater (Pyganodon grandis)
- Fragile Papershell (Potamilus fragilis)
- Pink Heelsplitter (Potamilus alatus)
- Mapleleaf (Quadrula quadrula)
- Pondmussel (Sagittunio subrostratus)
- Three-ridge Mussel (Amblema plicata)
- Plain Pocketbook (Lampsilis cardium)
- The most observed mollusc in Missouri is Asian Clam (Corbicula fluminea), with 348 recorded observations.