Blastozoa [SEP] parent taxon
Blastozoa
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. This subphylum ranged from the Cambrian to the Permian.
External links.
- Harvard: Subphylum Blastozoa
Rhenosquamus" as the characteristic "scaly podia" otherwise diagnostic of ophiocistioids may not, in fact, be such structures.
Subphylum Echinozoa Class Helioplacoidea †.
No known orders, 2 known species, "Helicoplacus curtisi" and "H. guthi"
Subphylum Blastozoa †.
Subphylum Blastozoa † Class Blastoidea †.
- Ordre Coronata †
- Order Fissiculata †
- Order Spiraculata †
- basal "Macurdablastus" †
Subphylum Blastozoa † Class Eocrinoidea †.
- Order Ascocystida †
- Order Gogiida †
- Order Imbricata †