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Project Noah Nature School
Siphonaria normalis
False 'opihi are less than 3/4 inch with ribs of two sizes giving the shell an angular rather than rounded shape. Siphonaria are air-breathing mollusks with a rudimentary lung chamber (pulmonates) rather than water-breathing gills found in true 'opihi. A native species.
Spotted on Mar 8, 2013
Submitted on Mar 9, 2013
