Halichondrida

Halichondrida

[‚hal·ə′kän·drē·də]
(invertebrate zoology)
A small order of sponges in the class Demospongiae with a skeleton of diactinal or monactinal, siliceous megascleres (or both), a skinlike dermis, and small amounts of spongin.
References in periodicals archive ?
The percentage distribution (by order) of sponges showed that the Order Halichondrida had the highest species composition (31.
According to Brusca & Brusca (2003), members of the order Halichondrida have a heavier skeleton composed of spicules than members of the order Poecilosclerida.
anchorata can be explained by the greater presence of spongin, a collagen constituent of the organic skeleton, a feature more representative in mass for members of the order Halichondrida than the inorganic skeleton (Brusca & Brusca, 2003).
Phylogenetic analysis of the order Halichondrida (Porifera, Demospongiae), using 3p-hydroxysterols as chemical characters.
A systematic revision of the central West Atlantic Halichondrida (Demospongiae, Porifera).
Dictyoceratida, Dendroceratida, Verongida, Haplosclerida, Poecilosclerida, Halichondrida, Axinellida, Desmophorida y Homosclerophorida.
Analysis of COI sequences has been successfully applied on the interspecific level, to test hypothesized cospeciation of sponge species in the order Halichondrida with bacterial symbionts (Erpenbeck et al.