Rank Subphylum | Higher classification Echinoderm | |
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Lower classifications Eocrinoidea, Cystoidea, Blastoid | ||
Blastozoa is a subphylum of extinct animals belonging to Phylum Echinodermata. This subphylum is characterized by the presence of hydrospires, which are small folds under the lancet plates. See also List of echinodermata orders.
References
Blastozoa Wikipedia(Text) CC BY-SA