Annelida

[uh-nel-i-duh]

noun

1. the phylum comprising the annelids.

Word History and Origins

Origin of Annelida¹

1825–35; < New Latin, equivalent to annel- (< French annelés literally, ringed ones, plural past participle of anneler to ring, derivative of Old French an ( n ) el ring < Latin ānellus, diminutive of ānus ring, anus ) + -ida -id ²

Example Sentences

The leech is an invertebrate animal belonging to the phylum Annelida, a zoological category that includes more than 15,000 species of segmented bristle worms and 650 species of leeches in the subclass Hirudinea.

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As Mark Siddall, curator of the Annelida and Mollusca collections, opens the tank with the help of others, he warns us to take a step back.

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Scientists recognize eight major phyla to describe most common animals: Porifera, Cnidaria, Platyhelminthes, Annelida, Mollusca, Arthropoda, Echinodermata and Chordata.

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A group of Annelida remarkable for having no external segments or distinct ventral nerve ganglions.

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In the article “Annelida” in the 9th edition of this Encyclopaedia, W.C.

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