ascidian
noun
as·cid·i·an
ə-ˈsi-dē-ən 
: any of a class (Ascidiacea) of solitary or colonial sessile tunicates having an incurrent and excurrent siphon
called also sea squirt
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“Ascidian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ascidian. Accessed 22 Nov. 2024.
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