Cylindrical Papershell

Anodontoides ferussacianus

Diagnostics 3


  • size: small to mid-sized. Maximum 95 mm but most specimens under 70 mm.
  • thickness: thin throughout
  • shape: oval-elongate. some older individuals have pinched appearance mid-shell on ventral edge.
  • width: moderately inflated to very inflated in older adults. rarely cylindrical in cross-section, contrary to what the name suggests
  • surface: smooth, not shiny.
  • beak sculptures:
  • color/markings: pale brown/beige, with fine green rays in posterior.
  • sexual dimorphism: none
  • pseudocardinal teeth: none
  • lateral teeth: none
  • nacre: irridescent white to bluish white

Soft parts: foot light peach. mantle pale. siphons moderately gaping. inhalant siphon papillae short

Similar species/lookalikes: similar to young Pyganodons and creepers (see creeper diagnostics for differing shell and sculpture characters)

Sources and Credits

  1. (c) Philippe Blais, some rights reserved (CC BY-NC-ND), uploaded by Philippe Blais
  2. (c) Matthew Ireland, all rights reserved, uploaded by Matthew Ireland
  3. (c) Philippe Blais, some rights reserved (CC BY-SA)

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