(invertebrate zoology) A group of families of polychaete annelids in which the anterior, or cephalic, region is more or less completely concealed by overhanging peristomial structures, or the body is divided into an anterior thoracic and a posterior abdominal region.
Sedentaria
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(′sed·ən′tar·ē·ə)
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A group of 28 or more families of polychaete annelids in which the anterior, or cephalic, region is more or less completely concealed by overhanging peristomial structures, or the body is divided into an anterior thoracic and a posterior abdominal region; the pharynx or proboscis is usually soft and epithelial, lacking hard jaws or paragnaths. See also Polychaeta.
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 | Cossuridae (invertebrate zoology) |
| Ctenodrilidae (invertebrate zoology) |
| Oweniidae (invertebrate zoology) |
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 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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| Sci-Tech Encyclopedia. McGraw-Hill Encyclopedia of Science and Technology. Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved. Read more |
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Mentioned in
- Cossuridae (invertebrate zoology)
- Ctenodrilidae (invertebrate zoology)
- Oweniidae (invertebrate zoology)
- Ampharetidae (invertebrate zoology)
- Apistobranchidae (invertebrate zoology)
- Arenicolidae (invertebrate zoology)
- Artacaminae (invertebrate zoology)
- Chaetopteridea (invertebrate zoology)
- Disomidae (invertebrate zoology)
- Magelonidae (invertebrate zoology)
- Maldanidae (invertebrate zoology)
- Opheliidae (invertebrate zoology)
- Pectinariidae (invertebrate zoology)
- Psammodrilidae (invertebrate zoology)
