Photo & copyright by: Gary McDonald, Aromas, California, USA

Ancula gibbosa (Risso, 1818) [Tritonia]
Synonym: Ancula pacifica  MacFarland, 1905

Photo details:
size: 7 mm
depth: 0 m, intertidal
date: 26 May 2009
country: USA, California
location: Monterey County
divesite: Great Tidepool, Pacific Grove,
photo made in the lab
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Ancula gibbosa
  taxonomy of
Ancula gibbosa