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Search across collections, compare record coverage, and use the shared tools below to move quickly between broad discovery and record-level inspection.
Start with a keyword search, then narrow by collection, geography, or date using the advanced filters.
Review grouped record rollups, then switch to flat results when you need individual records.
Showing 3,515 grouped results from 39,803 records
Grouped view highlights representative records so you can compare taxa before drilling in.
Quadrula nodulata
wartyback
Unionidae
Quadrula petrina
Texas pimpleback
Unionidae
Quadrula pustulosa pustulosa
pimpleback
Unionidae
Quadrula quadrula
Southern mapleleaf
Unionidae
Quadrula refulgens
pimpleback
Unionidae
Quadrula rumphiana or quadrula apiculata
Southern mapleleaf
Unionidae
Quadrula sparsa
Appalachian Monkey-face Pearly Mussel
Unionidae
Quadrula succissa
purple pigtoe
Unionidae
Quartz var. agate
Quiscalus quiscula
Common Grackle
Icteridae
Radiatula bonneaudii
Unionidae
Radiatula caerulea
Unionidae
Rallus elegans
King Rail
Rallidae
Rallus longirostris
Clapper Rail
Rallidae
Rangia cuneata
Atlantic rangia
Mactridae
Ranidina willapensis
Lyreididae
Ranilia constricta
sicklefoot frog crab
Raninidae
Ranilia muricata
muricate frog crab
Raninidae
Raninoides danicus
Raninidae