Arbacioida

Arbacioida

[är‚bās·ē′ȯid·ə]
(invertebrate zoology)
An order of echinoderms in the superorder Echinacea.
References in periodicals archive ?
Biologia y filogeografia del erizo de mar negro Arbacia lixula (Echinoidea: Arbacioida).
The Stirodonta includes a number of extinct stem group lineages and has living taxa in three orders: Salenioida, Arbacioida, and Phymosomatoida (Durham, 1966; Smith, 2005; Smith et al., 2006).
The five genera in which bindin was previously sequenced belong to two echinoid orders, the Echinoida and the Arbacioida. These two orders contain only 10% of all extant echinoid species (Kier, 1977; Smith, 1984; Littlewood and Smith, 1995).