Asterozoa

Asterozoa

[‚as·tə·rə′zō·ə]
(invertebrate zoology)
A subphylum of echinoderms characterized by a star-shaped body and radially divergent axes of symmetry.
References in periodicals archive ?
Among the echinoderms, members of the subphyla Echinozoa (sea urchins and sea cucumbers) express the major yolk protein (MYP) but not vitellogenin (Vtg), while an initial report has documented that two Asterozoa (sea stars) express a vitellogenin.
Much of the research on yolk proteins in echinoderms has focused on the Echinozoa subphylum and less on the Asterozoa subphylum.
2003), while the Asterozoa subphylum expresses the Vtg protein, Vtg1 (Prowse and Byrne, 2012).
Asterozoa phylogeny based on mitochondrial DNA (mtDNA) indicates that P.
As sea urchins do not have this ability (Hagen, 1996) it may be unique to Asterozoa (starfish and brittle stars), or some subgroup thereof.