Articulata


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Related to Articulata: Inarticulata

Articulata

[är‚tik·yə′läd·ə]
(invertebrate zoology)
A class of the Brachiopoda having hinged valves that usually bear teeth.
The only surviving subclass of the echinoderm class Crinoidea.

Articulata

 

a term introduced in 1812 by the French zoologist G. Cuvier to designate one of four animal phyla, the other three being Vertebrata, Mollusca, and Radiata. Some modern zoologists use the term to designate the higher segmented proto-stomatic animals, which include Annelida and Arthropoda, as well as the closely related Onychophora, Tardigrada, and Pentastomata.

References in periodicals archive ?
2017), le cortege floristique des groupements de Hammada scopariad' appartenancesaharienneetmediterraneenne bien adapte au condition de l'Atlas saharien comprend: Anabasis articulata, A.
Nomenclatural note: In the original name of this association (Negre, 1964) the suffix -etum should be assigned to the species of higher stratum (Tetraclinis articulata, syn.
Construction woods including peg, posts, beams, ceilings, roof supports, and attics were provided by species like Psychotria articulata, Spondianthus preussi, Anthocleista vogelii and Cleistopholis patens as well as small individuals of Alstonia congensis and Xylopia rubescens.
Elix et al., "Stictic acid derivatives from the lichen Usnea articulata and their antioxidant activities," Journal of Natural Products, vol.
At Chebka altitude is about 1475 m and vegetation is dominated by Steppa tenassima sparsed by some small evergreen oaks, Quercus ilex, thuyas, Tetraclinis articulata, and mastics, Pistacia lentiscus.
Atranorin, fumarprotocetraric acid and (+)-usnic acid were isolated from Usnea articulata as previously reported (Lohezic-Le Devehat et al., 2007).
Common lifeforms include tall erect emergent sedges (Eleocharis sphacelata, Baumea articulata and Schoenoplectus tabernaemontani) and aquatic herbs with floating, emergent or submerged leaves (Myriophyllum, Triglochin, Ornduffia, Nymphoides and Potamogeton species) and free floating species such as Azolla or duckweeds.
Los arbustales de este sector estan caracterizados por especies nativas como calafate (Berberis buxifolia), romerillo (Acanthostyles buniifolius), espino negro (Rhamnus lycioides), laura (Schinus patagonicus), parrilla y parrillita (Ribas spp.), chacay (Discaria trinervis), manca caballo (Discaria articulata), palo de piche (Fabiana imbricata) y chapel (Escallonia virgata).
From Usnea articulata (L.) Hoffm., depsidones pertaining to the stictic acid chemosyndrome were isolated (including stictic, norstictic, peristictic, cryptostictic, menegazziaic, constictic, and 3-O-methyl-consalazinic acids), in addition to two new depsidones (one being the openring form of stictic acid and the other structurally very similar to this acid, but exhibiting a C[H.sub.2]OH group at C-3 and lacking the OH group at C-8').