Pterynotus bipinnatus (Reeve, 1845)
45.7mm

Pterynotus bipinnatus is moderately rare in the Marshalls, or at least is rarely seen. Specimens have been found under rocks on lagoon reefs and pinnacles, as well as on the seaward reef, at depths from about 6 to 30m.

Here's a heavily encrusted shell.

The attractive animal pattern is similar to Pterynotus martinetanus and Pterynotus elongatus, but not to Pterynotus tripterus.

Created 1 October 2010
Updated 4 July 2020

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