Molluscs in South Dakota

Frequently Asked Questions

What are the 10 most common molluscs in South Dakota?

The 10 most common molluscs in South Dakota are:

1. Three-ridge Mussel (Amblema plicata)
2. Plain Pocketbook (Lampsilis cardium)
3. Fatmucket (Lampsilis siliquoidea)
4. Mapleleaf (Quadrula quadrula)
5. Giant Floater (Pyganodon grandis)
6. Fragile Papershell (Potamilus fragilis)
7. Deertoe Mussel (Truncilla truncata)
8. Wabash Pigtoe (Fusconaia flava)
9. Pimpleback (Pustulosa pustulosa)
10. Pink Papershell (Potamilus ohiensis)

What is the most observed mollusc in South Dakota?

The most observed mollusc in South Dakota is Three-ridge Mussel (Amblema plicata), with 1,190 recorded observations.

What are the most common invasive molluscs in South Dakota?

Some of the most commonly observed invasive molluscs in South Dakota include:

1. Thin Pillar (Cochlicopa lubricella)