Blastozoa

Blastozoa
	Blastoids, an example of a single group of blastozoans.
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Subphylum:	Blastozoa
Classes
	Class Eocrinoidea (Cambrian - Silurian); Class Parablastoidea (Ordovician); Class Rhombifera (Ordovician - Devonian); Class Diploporita (Ordovician - Devonian); Class Blastoidea (Ordovician - Permian); Class Paracrinoidea (Ordovician-Silurian);

Blastozoa is a subphylum of extinct animals belonging to Phylum Echinodermata. This subphylum is characterized by the presence of specialized respiratory structures and brachiole plates used for feeding.^[1] This subphylum ranged from the Cambrian to the Permian.

References

↑ Sprinkle, J. (1973). "Morphology and evolution of blastozoan echinoderms". Harvard Special Publication: Museum of Comparative Zoology.

External links

Harvard: Subphylum Blastozoa

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.

[1] Sprinkle, J. (1973). "Morphology and evolution of blastozoan echinoderms". Harvard Special Publication: Museum of Comparative Zoology.