Bazsites.com Annelida

Directory Topics

Introduction to the Annelida - Introduction to the Annelida, the segmented worms.
UCSC Annelida - Anatomical illustrations of segmented worms from the University of California at Santa Cruz.
Phylum Annelida - The segmented worms, including earthworms, polychaete worms, and leeches.
Center for Annelida Resources - The Illinois Natural History Survey Annelida Collection is one of the largest state collections of freshwater oligochaetes in the USA, holding more than 300,000 specimens.
Annelida - Introduction - Annelid worms, brought to you by Biological Sciences at the University of Paisley.
Introduction to the Pogonophora - Introduction to the beard worms, from the Museum of Paleontology at University of Berkeley.
Leeches - Hirudinea - Photographs of members of representative taxa, and the equipment used in studying them.
Oligochaeta - A nice summary of the families of freshwater Oligochaetes found in North America.
Earthworm Information - Extensive information about individual species, ecology and biology, and role in agriculture.
Earthworm Biology and Production - Information circular from University of Florida, Institute of Food and Agricultural Sciences.

Chaetogaster - The genus Chaetogaster belongs to the roundworms (Annelida). It is classified in the subfamily Naidinae of the family (biology) Tubificidae in the order Oligochaeta.
Lugworm - The lugworm or sandworm is a large marine worm of the phylum Annelida. Its coiled castings are a familiar sight on a beach at low tide but the animal itself is not seen except by those who, from curiosity or to use as fishing bait, dig the worm out of the sand.
Schizocoelous - Schizocoelous development is exclusive to protostomes: phyla Mollusca, Annelida, and Arthropoda. The term refers to the order of organization of cells in the gastrula leading to development of the coelom.
Earthworm - Earthworm is the common name for the largest members of the Oligochaeta (which is either a class or subclass depending on the author) in the phylum Annelida. In classical systems they were placed in the order Opisthopora, on the basis of the male pores opening to the outside of the body posterior to the female pores, even though the male segments are anterior to the female.
Annelid - The annelids, collectively called Annelida (from Latin anellus "little ring"), are a large phylum of animals, comprising the segmented worms, with about 15,000 modern species including the well-known earthworms and leeches. They are found in most wet environments, and include many terrestrial, freshwater, and especially marine species (such as the polychaetes ...