411 REFERENCE · Wiktionary
Acroechinoidea
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
Etymology
mul acro Echinoidea
Proper noun
infraclass class Echinoidea certain sea urchins
Hypernyms
infraclass ; Euechinoidea subclass - subclass
Hyponyms
infraclass Aspidodiadematoida order, Diadematoida order, Micropygoida order, Pedinoida order - orders
Coordinate terms
infraclass in Euechinoida Carinacea infraclass, Irregularia infraclass - infraclasses; Echinothurioida order - order not placed in infraclass
References
Euechinoidea