deuterostome
noun
deu·tero·stome
ˈdü-tə-rō-ˌstōm 
also ˈdyü-
: any of a major division (Deuterostomia) of the animal kingdom that includes the bilaterally symmetrical animals (such as the chordates) with indeterminate cleavage and a mouth that does not arise from the blastopore
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This pristine level of preservation shows that the structures that once looked like pits were actually the bases of spines that broke away in the process of fossilization, suggesting that Saccorhytus wasn’t a deuterostome but something else entirely.
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Sam Walters, Discover Magazine, 17 Aug. 2022
The team classifies Saccorhytus as a deuterostome, one of the major groups of animals and the branch of the Tree of Life that includes vertebrates.
—Gemma Tarlach, Discover Magazine, 30 Jan. 2017
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Sam Walters, Discover Magazine, 17 Aug. 2022
The team classifies Saccorhytus as a deuterostome, one of the major groups of animals and the branch of the Tree of Life that includes vertebrates.
—Gemma Tarlach, Discover Magazine, 30 Jan. 2017
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“Deuterostome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deuterostome. Accessed 28 Nov. 2024.
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