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...
Main Author: | |
---|---|
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 |
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. |
---|