Deuterostomia

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A Deuterostomia is a Nephrozoa that is a superphylum of animals that includes chordates and echinoderms, characterized by the formation of the anus before the mouth during embryonic development.



References

2023

  1. Wade, Nicholas (30 January 2017). "This Prehistoric Human Ancestor Was All Mouth". The New York Times. Retrieved 31 January 2017.
  2. Han, Jian; Morris, Simon Conway; Ou, Qiang; Shu, Degan; Huang, Hai (2017). “Meiofaunal deuterostomes from the basal Cambrian of Shaanxi (China)". Nature. 542 (7640): 228–231. Bibcode:2017Natur.542..228H. doi:10.1038/nature21072. ISSN 0028-0836. PMID 28135722. S2CID 353780.