Checklist do filo Chaetognatha do Estado de São Paulo, Brasil

@article{VegaPrez2011ChecklistDF,
  title={Checklist do filo Chaetognatha do Estado de S{\~a}o Paulo, Brasil},
  author={L. A. Vega-P{\'e}rez and Katya P. Schinke},
  journal={Biota Neotropica},
  year={2011},
  volume={11},
  pages={541-550}
}
The species of Chaetognatha, commonly called arrow-worms, are considered one of the most taxonomically isolated animal groups, with obscure phyletic origin. They are deuterostomes of small size, between 2 and 12 mm, with bilateral symmetry and transparent torped-shaped body, although some species have pigmentation. The body consists of the head, the trunk and the tail. The head bears a ventrally placed mouth, surrounded by two sets of rigid hooks and rows of small teeth, both used in prey… Expand
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