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Pygidium - What does it mean?
pygidium
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pygidium
English
(
wikipedia pygidium
)
Noun
(
en-noun
)
(zoology) The caudal plate of trilobites, crustacea]], and certain [[insect, insects.
Derived terms
* postpygidium * pygidial
Not English
has no English definition. It may be misspelled.