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Tiberia japonica
(Dall & Bartsch, 1906)
 

Maximum size:  5 mm shell length.

Identification:  The shell of this species is slender and thin with a faint brown spiral line. It differs from Tiberia sp. #2 in having a deeper, more pronounced suture (more reminiscent of the suture in Pyramidella sulcata though it's much smaller than that species).

Natural history:  Only a few shells of Tiberia japonica have been found in sand samples from Halimeda kanaloana beds taken at around 9-20 m (30-66 ft).

Distribution:  Maui.

Taxonomic notes:  This species is also listed as Tiberia balteatus (A. Adams, 1854) in Severns, 2011 (in our opinion, both illustrated shells show the more pronounced suture typical of this species).

Photo:  CP: 5 mm: sand sample, 9 m (30 ft), 3/4 mile west of Olowalu Stream, Maui; July 17, 1996.

Observations and comments:

Note 1:  ( )
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