
1) Class 2) Class oligochaeta
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https://www.crosswordclues.com/clue/oligochaeta

Oligochaeta ə is a subclass of animals in the biological phylum Annelida, which is made up of many types of aquatic and terrestrial worms, and including all of the various earthworms. Specifically, the oligochaetes scontain the terrestrial megadrile earthworms (some of which are semiaquatic or fully aquatic), and freshwater or semiterrestrial mic...
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http://en.wikipedia.org/wiki/Oligochaeta
[plant] It is part of the Rhaponticum group in the tribe Cynareae, along with the genera Rhaponticum, Acroptilon, Callicephalus, Leuzea, Myopordon, and Ochrocephala. It can be distinguished from other genera by its pollen. Species in genus Oligochaeta include: ...
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http://en.wikipedia.org/wiki/Oligochaeta_(plant)

• (n. pl.) An order of Annelida which includes the earthworms and related species.
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http://thinkexist.com/dictionary/meaning/oligochaeta/

One of the taxonomic classes in the phylum Annelida. Members of this class have segmented bodies, setae on all segments (except the peristomium and periproct), a true coelom, a closed vascular system, and crawl using circular and longitudinal muscles.
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http://www.encyclo.co.uk/visitor-contributions.php

The oligochaeta are the earthworm order of annelids (Phylum Annelida), although some are freshwater rather than terrestrial. They lay eggs in cocoons.
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http://www.probertencyclopaedia.com/browse/BO.HTM

[
n] - earthworms
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http://www.webdictionary.co.uk/definition.php?query=Oligochaeta

Oligochaeta An order of Annelida which includes the earthworms and related species with very few long flowing hairs.
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http://www.wordinfo.info/words/index/info/view_unit/430/
class Oligochaeta noun earthworms
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https://www.encyclo.co.uk/local/20974
No exact match found.