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Opistho-thelae

plural noun
Opis·​tho-the·​lae

Definition of Opistho-thelae 

in some classifications

: a large suborder of Araneae containing spiders that have nonsegmented abdomens and the first pair of spinnerets unbranched — compare liphistiomorphae

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History and Etymology for Opistho-thelae

New Latin, from opisth- + -thelae (from Greek -thēlai, from thēlē nipple)

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