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Three-ridge Mussel
Amblema plicata
886 observations
Plain Pocketbook
Lampsilis cardium
830 observations
Fatmucket
Lampsilis siliquoidea
602 observations
Giant Floater
Pyganodon grandis
574 observations
Fragile Papershell
Potamilus fragilis
494 observations
Mapleleaf
Quadrula quadrula
432 observations
Deertoe Mussel
Truncilla truncata
343 observations
Wabash Pigtoe
Fusconaia flava
329 observations
Pimpleback
Pustulosa pustulosa
302 observations
Pink Papershell
Potamilus ohiensis
267 observations
White Heelsplitter
Lasmigona complanata
239 observations
Black Sandshell
Ligumia recta
188 observations
Yellow Sandshell
Lampsilis teres
147 observations
Rock-pocketbook
Arcidens confragosus
139 observations
Elktoe
Alasmidonta marginata
108 observations
Creeper
Strophitus undulatus
65 observations
Physella
Physella
64 observations
Cylindrical Papershell
Anodontoides ferussacianus
60 observations
Striated Fingernailclam
Sphaerium striatinum
51 observations
Pink Heelsplitter
Potamilus alatus
47 observations
Fawnsfoot
Truncilla donaciformis
44 observations
Zebra Mussel
Dreissena polymorpha
37 observations
Gulf Mapleleaf
Quadrula nobilis
25 observations
Hickorynut
Obovaria olivaria
24 observations
Rocky Mountainsnail
Oreohelix strigosa
19 observations
Marsh Pond Snail
Ladislavella elodes
17 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
Lymnaea jugularis
Lymnaea jugularis
5 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
Three-horn Wartyback
Obliquaria reflexa
3 observations
Threeridge Valvata
Valvata tricarinata
3 observations
Two-ridged Ramshorn
Helisoma anceps
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
Callused Vertigo
Vertigo arthuri
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)