Echinoida

Echinoida

[‚ek·ə′noid·ə]
(invertebrate zoology)
An order of Echinacea with a camarodont lantern, smooth test, and imperforate noncrenulate tubercles.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Annual gonadal variation in sea urchins of the orders Echinothurioida and Echinoida. Biol.
Molecular phylogenies and divergence times of sea urchin species of Strongylocentrotidae, Echinoida. Mol.
(bobtail squid) 2.4 1.2 Unidentified Octopodidae 0.0 nm Unidentified anemone 6.7 4.0 Unidentified corals (Hydrocoralia) 1.4 1.4 Unidentified Echinoida (sea urchins) 1.4 1.4 Unidentified Holothuroidea (sea cucumbers) 0.6 0.6 Unidentified invertebrates 2.0 0.9 Fishes Unidentified flatfish 359.1 44.4 Merluccius productus (Pacific hake) 143.8 65.6 Zoarcidae (eelpouts) 341.3 41.4 Sebastes spp.
Agassiz, 1863) Genero Centrostephanus Peters, 1855 Centrostephanus coronatus (verrill, 1867) Orden Echinoida Claus, 1876 Familia Echinometridae Gray, 1825 Genero Echinometra Gray, 1825 Echinometra vanbrunti (A.
Superorder Echinacea Order Echinoida Family Echinidae Genus Psammechinus AGASSIZ y DESOR, 1846 Psammechinus affinis FUCHS P1.7, fig.2 1972 Psammechinus affunis, NAINI.
A third family, the Echinidae (Echinoida), consist of five species that have a planktotrophic larva.
Even more strikingly, crosses between sea urchin species in the order Temnopleurida and the order Echinoida (Brandhorst and Davenport, 2001) unite lineages that have been separate for only about 40 million years (Smith, 1988).
For comparisons with cooccurring echinoids, I use the sand dollar Dendraster excentricus (Order Clypeasteroida) and the sea urchin Strongylocentrotus droebachiensis (Order Echinoida).
The molecular evolution of sperm bindin in six species of sea urchins (Echinoida: Strongylocentrotidae).
In two other large orders, Echinoida and Diadematoida, respectively, 69% of 65 species and 54% of 48 species were sampled.
Organization and mechanical behavior of myocyte-ligament composites in a sea-urchin lantern: the compass depressors of Stylocidaris affinis (Echinodermata, Echinoida).