urosoma
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urosoma — n. [Gr. oura, tail; soma, body] 1. (ARTHROPODA) The abdomen. 2. (ARTHROPODA: Crustacea) That part of the body posterior to the major articulation, usually including last 3 abdominal somites, bearing modified appendages … Dictionary of invertebrate zoology
List of prehistoric echinoderms — This list of prehistoric echinoderms is an attempt to create a comprehensive listing of all genera that have ever been included in the Echinoderms that have been preserved as fossils. This list excludes purely vernacular terms. It includes all… … Wikipedia
urosome — См. urosoma … Dictionary of invertebrate zoology
