The functional morphology of Axiothella rubrocinta (Johnson)

The family Maldanidae is a group of sedentary polychaetes having a cylindrical body with elongate, but relatively few segments. The prostomium has a dorsal pair of nuchal organs and may have eye-spots ventrally; true appendages are absent. The mouth opens ventrally on the peristomium and has an extr...

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Bibliographic Details
Main Author: Spies, Robert Bernard
Format: Others
Published: Scholarly Commons 1969
Subjects:
Online Access:https://scholarlycommons.pacific.edu/uop_etds/1676
https://scholarlycommons.pacific.edu/cgi/viewcontent.cgi?article=2675&context=uop_etds
Description
Summary:The family Maldanidae is a group of sedentary polychaetes having a cylindrical body with elongate, but relatively few segments. The prostomium has a dorsal pair of nuchal organs and may have eye-spots ventrally; true appendages are absent. The mouth opens ventrally on the peristomium and has an extrusible sacciform proboscis. The pygidium may be plate-shaped, funnel shaped with an internal cone, or simply cone-shaped. All maldanids inhabit tubes of sand or mud, and subject to the limitations and advantages of this habjtat.