echinoid


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

echinoid

any of the ECHINODERMS of the class Echinoidea, including the sea urchins.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Sex ratio and hermaphroditism in Oregon intertidal populations of the echinoid Strongylocentrotus purpuratus.
An ovotestis event in the gonochoric sea urchin Loxechinus albus (Echinodermata: Echinoidea)
Overall, the development of the larval nervous system in echinoderms with abbreviated development, including echinoids (Bisgrove and Raff, 1989; Katow et al., 2009), asteroids (Elia et al., 2009), crinoids (Nakano et al., 2009), and ophiuroids (this study), has changed independently of the juvenile system.
Abbreviated Development of the Brooding Brittle Star Ophioplocus esmarki
The marketing and export of this echinoid has increased in the last 20 years in countries such as Ireland, United States, and Canada.
Rock-boring urchin roe from Brazilian subtropical coastal zone for human consumption/Ovas de ourico-do-mar de zona costeira subtropical brasileira para consumo humano
Differences in morphology and life history traits of the echinoid Echinometra lucunter from different habitats.
Effects of Primary Sex Ratio on Operational Sex Ratio in Sea Urchin, Echinometra mathaei
Sensitivity to light and the reactions to changes in light intensity of the echinoid Diadema antillarum (Philippi).
Sea urchin behavior in a Southern California kelp forest: Food, fear, behavioral niches, and scaling up individual behavior
Echinoid bioerosion and herbivory on Kenyan coral reefs: the role of protection from fishing.
INFLUENCE OF SALINITY VARIATIONS ON THE EMBRYONIC AND EARLY LARVAL DEVELOPMENT OF LONG-SPINED BLACK SEA URCHIN (DIADEMA SETOSUM)
Agassiz, 1863, Lytechinus variegatus (Lamarck, 1816), Tripneustes ventricosus (Lamarck, 1816), and Diadema antillarum Philippi, 1845, are the most common littoral echinoids in the Caribbean.
Relaciones troficas entre los erizos de mar Caribe
As with most marine invertebrates, the ecological implications of color variation specific to echinoids remain poorly understood.
Genetic variation in color morphs of the endangered species, Paracentrotus gaimardi (Echinoidea: Echinidae)
Their work reveals that Clipsham limestone used to repair the Gothic parliament building since the 1920s includes the fossils of echinoids or sea urchins dating back to the Middle Jurassic period more than 160 million years ago.
Westminster is a real Jurassic Park, finds Welsh firm
The non-rudist bivalves mentioned above occur together with scattered moulds of gastropods (Ampullina and Tylostoma), abundant echinoid spines, several Diplopodia, and an isolated pycnodontid fish tooth (Coelodus).
Dinosaur tracks from the Early Cretaceous (Albian) of Parede (Cascais, Portugal): new contributions for the sauropod palaeobiology of the Iberian Peninsula
2E-G), including dendritic, echinoid, plumose, and perforated cupola organs (PCOs).
Larval cryptic coloration and mistletoe use in the metalmark butterfly Dachetola azora (Lepidoptera: Riodinidae)
Smith, Echinoid Palaeobiology, Allen and Unwin, London, UK, 1984.
Locomotion and functional spine morphology of the heart urchin Brisaster fragilis, with comparisons to B. latifrons
Medical browser ?
Full browser ?