Invertebrata
noun plural
In·ver·te·bra·ta
(ˌ)in-ˌvərt-ə-ˈbrät-ə 
-ˈbrāt-ə
-ˈbrāt-ə
in some especially former classifications
: a primary division of the animal kingdom including all except the Vertebrata
Cite this Entry
“Invertebrata.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Invertebrata. Accessed 24 Jun. 2025.
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