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Related to Echinoidea: sand dollar
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Noun1.Echinoidea - sea urchins and sand dollarsEchinoidea - sea urchins and sand dollars  
Echinodermata, phylum Echinodermata - radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
sea urchin - shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
Exocycloida, order Exocycloida - flat sea urchins
order Spatangoida, Spatangoida - heart-shaped sea urchins
class - (biology) a taxonomic group containing one or more orders
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Gonad development stages and reproductive traits of Diadema mexicanum (Echinodermata: Echinoidea) from Oaxaca, Mexico.
The classification of the Tertiary system in Sind with reference to the zonal distribution of the Eocene Echinoidea described by Duncan and Sladen.
Structure des populations de Paracentrotus lividus (Lamarck), (Echinodermata, Echinoidea) soumises a la peche sur les cotes du Nord de Bretagne.
Echinoidea; Volume 2: Echinoidea With Bilateral Symmetry.
Informacoes sobre o ourico-do-mar Echinometra lucunter (Linnaeus, 1758) (Echinodermata: Echinoidea) para o litoral de Salvador e adjacencias.
O X X (brittle star) Echinoidea Strongylocenlrolus O X purpuratus (Sea Urchin) Season Phylum Class Species Fa W n Ctenophora Cyclosalpa spp.
Diademasetosum (Leske, 1778) (Echinometra: Echinoidea: Diadematidae) also known as long-spined black sea urchin, is one of the most common echinoids that widely distributed in the Indo-West Pacific Ocean especially in coral ecosystems,and have profound biological, ecological and aquacultural significance (Lessios et al., 2001; Rahman et al., 2012a).
New host for Dissodactylus crinitichelis (Decapoda, Pinnotheridae): First record of occurrence on Mellita quinquiesperforata (Echinodermata, Echinoidea) (Decapoda; Echinodermata).
echinoidea (Quehl) Britton & Vazquez 2514, San Pedro, S.L.P.
Mi welais hefyd weddillion ddraenog mor (Echinoidea; Sea-urchin) a phigau porffor arno wedi'i olchi i'r lan.