Acera Small 241×320 Medium 481×640 Large 770×1024 Download Tiff Original 1804×2400 | (1.6 MB) Description "A genus of mollusks, of the familiy bullidæ or Tornatellidæ, belonging to the tectibranchiate division of opisthobranchiate."-Whitney, 1902 Keywords bullata, mollusks, shell Galleries Snails and Slugs Source: William Dwight Whitney, The Century Dictionary, an Encyclopedic Lexicon of the English Language (New York: The Century Co., 1902)I:43
