Spatangoida


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Noun1.Spatangoida - heart-shaped sea urchins
animal order - the order of animals
class Echinoidea, Echinoidea - sea urchins and sand dollars
heart urchin - sea urchin having a heart-shaped body in a rigid spiny shell
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References in periodicals archive ?
Phylum Echinodermata Class Echinodea Order Spatangoida Family Loveniidae Lovenia cordiformis Agassiz, 1872, heart urchin (Fig.
Brissopsis atlantica (Spatangoida: Brissidae): Todas las relaciones entre las variables predictivas y la talla de la especie resultaron significativas (Cuadro 1 y Cuadro 2); los modelos que mejor explicaron las variaciones de tamano de los ejemplares examinados fueron la densidad interespecifica y la profundidad (Cuadro 1 y Cuadro 2).
The heart urchin Brisaster fragilis is an irregular sea urchin belonging to the Echinodermata order Spatangoida; a group that is adapted to dig or burrow within the ocean bottom sediments.
These two species belong to different echinoid orders (Spatangoida and Clypeasteroida, respectively), and so represent two evolutionarily distant examples of facultatively planktotrophic larvae.
Abundance and biomass of the gut-living microorganisms (bacteria, protozoa and fungi) in the irregular sea urchin Echinocardium cordatum (Spatangoida: Echinodermata).
Superorder Atelostomata Order Spatangoida Suborder Micrasterina Family Spatangidae Genus Spatangus GRAY, 1825 Spatangus corsicus DESOR P1.7, fig.
Two families, the Schizasteridae (Spatangoida) and the Cidaridae (Cidaroida), consist almost entirely of brooding species.
The sand dollars (order Clypeasteroida) were represented by Encope stokesii from the Pacific coast of Panama; the heart urchins (order Spatangoida) by Moira clotho collected at the Perlas Islands in the Bay of Panama.