pygidium

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English

Definitions

noun

The caudal plate of trilobites, crustacea, and certain insects.

Related words

Synonyms

convex semicircular pygidicranid tailshield pterygometopid abdominalia mesoscutum ptychaspidid pleon subunguis parapterum gnathostegite rhabdite postscutellum opisthosoma pygopodid

Rhymes

References