Holectypoida
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Echinoneus_cyclostomus.jpg/220px-Echinoneus_cyclostomus.jpg)
Taxonavigation
editSuperregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Echinodermata
Subphylum: Eleutherozoa
Superclassis: Cryptosyringida
Classis: Echinoidea
Subclassis: Euechinoidea
Superordo: Gnathostomata
Ordo: Holectypoida
Subordines: Conoclypina - Echinoneine - Holectypina - Pygasterina
Name
editHolectypoida Duncan, 1899
References
edit- Natural History Museum [1]