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Three-ridge Mussel
Amblema plicata
886 observations
Plain Pocketbook
Lampsilis cardium
863 observations
Fatmucket
Lampsilis siliquoidea
612 observations
Giant Floater
Pyganodon grandis
578 observations
Fragile Papershell
Potamilus fragilis
502 observations
Mapleleaf
Quadrula quadrula
448 observations
Deertoe Mussel
Truncilla truncata
343 observations
Wabash Pigtoe
Fusconaia flava
331 observations
Pimpleback
Pustulosa pustulosa
305 observations
Pink Papershell
Potamilus ohiensis
267 observations
White Heelsplitter
Lasmigona complanata
239 observations
Black Sandshell
Ligumia recta
192 observations
Yellow Sandshell
Lampsilis teres
147 observations
Rock-pocketbook
Arcidens confragosus
140 observations
Elktoe
Alasmidonta marginata
109 observations
Creeper
Strophitus undulatus
68 observations
Physella
Physella
65 observations
Cylindrical Papershell
Anodontoides ferussacianus
60 observations
Striated Fingernailclam
Sphaerium striatinum
54 observations
Pink Heelsplitter
Potamilus alatus
47 observations
Fawnsfoot
Truncilla donaciformis
44 observations
Zebra Mussel
Dreissena polymorpha
37 observations
Hickorynut
Obovaria olivaria
25 observations
Gulf Mapleleaf
Quadrula nobilis
25 observations
Rocky Mountainsnail
Oreohelix strigosa
21 observations
Marsh Pond Snail
Ladislavella elodes
18 observations
Flamed Tigersnail
Anguispira alternata
15 observations
Grooved Fingernailclam
Sphaerium simile
14 observations
Creek Heelsplitter
Lasmigona compressa
12 observations
Milky Slug
Deroceras reticulatum
10 observations
Marsh Ramshorn
Planorbella trivolvis
10 observations
Lilliput
Toxolasma parvum
8 observations
Asian Clam
Corbicula fluminea
7 observations
Pointed Campeloma
Campeloma decisum
7 observations
Pistolgrip
Quadrula verrucosa
7 observations
Round Pigtoe
Pleurobema sintoxia
6 observations
Black Gloss Snail
Zonitoides nitidus
6 observations
Oxyloma
Oxyloma
4 observations
Red-rimmed Melania
Melanoides tuberculata
4 observations
Quick Gloss Snail
Zonitoides arboreus
4 observations
Invasive
fasciatus-group Arion Slugs
Carinarion
4 observations
Lymnaea jugularis
Lymnaea jugularis
4 observations
Three-horn Wartyback
Obliquaria reflexa
3 observations
Threeridge Valvata
Valvata tricarinata
3 observations
Two-ridged Ramshorn
Helisoma anceps
3 observations
Meadow Slug
Deroceras laeve
3 observations
Invasive
Thin Pillar
Cochlicopa lubricella
3 observations
Sharp Sprite
Promenetus exacuous
3 observations
Lance Aplexa
Sibirenauta elongata
3 observations
Typical Glass Snails
Oxychilus
2 observations
Frequently Asked Questions
- The 10 most common molluscs in South Dakota are:
- Three-ridge Mussel (Amblema plicata)
- Plain Pocketbook (Lampsilis cardium)
- Fatmucket (Lampsilis siliquoidea)
- Giant Floater (Pyganodon grandis)
- Fragile Papershell (Potamilus fragilis)
- Mapleleaf (Quadrula quadrula)
- Deertoe Mussel (Truncilla truncata)
- Wabash Pigtoe (Fusconaia flava)
- Pimpleback (Pustulosa pustulosa)
- Pink Papershell (Potamilus ohiensis)
- The most observed mollusc in South Dakota is Three-ridge Mussel (Amblema plicata), with 886 recorded observations.
- Some of the most commonly observed invasive molluscs in South Dakota include:
- fasciatus-group Arion Slugs (Carinarion)
- Thin Pillar (Cochlicopa lubricella)