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Unidentified Ellobiid
sp. #3
 
Unidentified Ellobiid sp. #3: shell
Maximum size:  2.1 mm shell length.

Identification:  The shell of this species is similar to that of  unidentified ellobiid sp. #1. However, it is more slender, lacks the constricted base and has less thickening of the outer lip.

Natural history:  Unidentified ellobiid sp. #3 is known from only a few shells found in a back-beach sediment sample from Oahu. (Note 1)

Distribution:  Oahu.

Taxonomic notes:  It seems likely that unidentified ellobiids #1, #2, and #3 are in the same genus. Severns, 2011 lists the first two species as Ophicardelus sp. 1 & 2, respectively. However, they seem closer to shells labelled Microtralia sp. on-line. So, we've decided to leave this species as un. sp. #3 pending further work.

Photo:  CP: composite photo, three shells; largest 2.1 mm: from a back-beach sediment sample provided by Helen James; Oahu.

Observations and comments:

Note 1:  It's possible that these shells were sub-fossil.
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