Comprehensive Description

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General Description

This species is found exclusively in Southeastern United States where it may occur in densities of more than 3,000/square meter (Rice et al, 1983). External characters distinguishing this species from other Phascolion are the unique tentacular crown with four primary tentacles, the array of auxiliary tentacles, an absence of hooks on the anterior part of the introvert, and the V-shaped holdfast papillae. It inhabits discarded gastropod shells and is commonly found in shallow waters associated with sea grass beds.

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© Kawauchi, Gisele Y.

Source: Sipuncula LifeDesk

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