Holectypoida
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Echinoneus_cyclostomus.jpg/220px-Echinoneus_cyclostomus.jpg)
Taxonavigation
[edit]Superregnum: 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
[edit]Holectypoida Duncan, 1899
References
[edit]- Natural History Museum [1]