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Blastozoa

From Wikipedia, the free encyclopedia

Blastozoa
Temporal range: Cambrian–Permian
Blastoids, an example of a single group of blastozoans.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Subphylum: Blastozoa
Classes

Blastozoa is a subphylum of extinct echinoderms characterized by the presence of specialized respiratory structures and brachiole plates used for feeding.[1] It ranged from the Cambrian to the Permian.

A significant species has been found at the Zaouïa Formation.[2]

References

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  1. ^ Sprinkle, J. (1973). "Morphology and evolution of blastozoan echinoderms". Harvard Special Publication: Museum of Comparative Zoology.
  2. ^ Makhlouf, Y.; Lefebvre, B.; Nardin, E.; Nedjari, A.; Paul, C.R.C. (2017), "The diploporite blastozoan Lepidocalix pulcher from the Middle Ordovician of northern Algeria: Taxonomic revision and palaeoecological implication", Acta Palaeontologica Polonica, 62: 299–310, doi:10.4202/app.00286.2016, retrieved 2020-05-29
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