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. Giant Floater (Pyganodon grandis)
5. Fragile Papershell (Potamilus fragilis)
6. Mapleleaf (Quadrula quadrula)
7. Wabash Pigtoe (Fusconaia flava)
8. Deertoe Mussel (Truncilla truncata)
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 902 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)