The Nature LibraryEN·ES
iNat·91616GenusMollusca5,095 field observations
  1. Animals
  2. ›Molluscs
  3. ›Bivalves
  4. ›Autobranchia
  5. ›Heteroconchia
  6. ›Freshwater Mussels and Brooch Clams
  7. ›Freshwater Mussels
  8. ›Unionoidea
  9. ›River Mussels
  10. ›Ambleminae
  11. ›Quadrulini
Quadrula
Plate 1 of 9. (c) Jon Hoekstra, some rights reserved (CC BY), uploaded by Jon Hoekstra · via iNaturalist

Quadrula

Quadrula is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae native to rivers of the American Midwest and mid-south. All have thick nacreous shells with well-developed hinge teeth, many also with external shell sculpturing of nodules or lumps.

Continue reading on Wikipedia
§·

Where it lives

Recorded sightings

—

geo-referenced records in GBIF, from museums, herbaria and field observers.

Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.

§·

In the stacks

Searching the stacks…

Every page naming Quadrula in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 91616.