The Nature LibraryEN·ES
iNat·1183146SubfamilyMollusca33,515 field observations
  1. Animals
  2. ›Molluscs
  3. ›Gastropods
  4. ›Heterobranchs
  5. ›Euthyneura
  6. ›Tectipleura
  7. ›Hygrophila
  8. ›Pond Snails, Bladder Snails, and Allies
  9. ›Ramshorn Snails and Allies
Ramshorn Snails
Plate 1 of 8. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell · via iNaturalist

Ramshorn Snails

Planorbinae

Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod molluscs. Unlike most molluscs, the blood of ram's horn snails contains iron-based hemoglobin instead of copper-based hemocyanin. As a result, planorbids are able to breathe oxygen more efficiently than other molluscs. The presence of hemoglobin gives the body a reddish colour. This is especially apparent in albino animals.

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 Planorbinae 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 1183146.