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iNat·129600SpeciesMollusca1,193 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. ›Unioninae
  11. ›Anodontini
  12. ›Strophitus
Creeper
Plate 1 of 6. (c) Philippe Blais, some rights reserved (CC BY-NC-ND), uploaded by Philippe Blais · via iNaturalist

Creeper

Strophitus undulatus

Strophitus undulatus is a species of mussel in the Unionidae, the river mussels. It is native to eastern Canada and the eastern United States. Its common names include creeper, squawfoot, sloughfoot, and strange floater.

This mussel has a somewhat flattened, smooth, oval shell which is thin in young animals and becomes thicker with age. It is green, brown, or black in color with pink to orange nacre. It grows up to 10.2 centimetres (4.0 in) long. The beak is ridged.

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Where it lives

Recorded sightings

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

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Every page naming Strophitus undulatus 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 129600.