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CRINOIDS [16 records]

Record 1 2020-05-04

English

Subject field(s)
  • Ecosystems
  • Oceanography
CONT

Trawling fishes and shrimps and dredging for shellfish modify benthic ecosystems through removal of or damage to seaweeds and sessile invertebrates such as sponges, sea anemones, urochordates, crinoids, and tube worms …

French

Domaine(s)
  • Écosystèmes
  • Océanographie
CONT

Les chalutiers à poissons et à crevettes et les dragueurs à mollusques dégradent les écosystèmes benthiques en éliminant ou en endommageant les algues marines et les organismes sessiles comme les éponges, les anémones, les urochordés, les crinoïdes et les vers polychètes […]

Spanish

Save record 1

Record 2 2015-04-13

English

Subject field(s)
  • Mollusks, Echinoderms and Prochordates
  • Paleontology
DEF

Broad, open depression on underside [of asteroid], leading from mouth to tip of each arm.

DEF

One of the five grooves arranged as a star, found in starfish, echinoids, crinoids, and related animals, and which leads to the mouth, serving as a passage way down for food.

CONT

Beating cilia [of Crinoids] convey the food down the ambulacral grooves on the arms. The ambulacral(food) grooves continue on to the calyx and finally converge on the mouth where the food enters the digestive tract.

French

Domaine(s)
  • Mollusques, échinodermes et procordés
  • Paléontologie
DEF

[...] un «V» [...] formé par les plaques ambulacraires [...] qui s'effondrent [...], sur une coupe transversale d'un bras [d'Astéride].

CONT

On retrouve sur la face orale [...] : la bouche centrale et les cinq sillons ambulacraires localisés au centre de chaque bras et s'étendant de l'extrémité de chaque bras vers la bouche. Chaque sillon ambulacraire contient 4 rangées de pieds ambulacraires (ou podions) [...]

Spanish

Save record 2

Record 3 2002-09-18

English

Subject field(s)
  • Paleontology
DEF

A noncirriferous thecal plate typically occurring inside the infrabasal circlet of some articulate crinoids...

French

Domaine(s)
  • Paléontologie
OBS

Si la tige vient à disparaître [chez les Crinoïdes], il peut apparaître au bord inférieur, entre les infrabasales, une plaque supplémentaire dite «centrale».

Spanish

Save record 3

Record 4 2002-04-22

English

Subject field(s)
  • Paleontology
DEF

A genus of large, stalked crinoids, of which several species occur in deep water among the West Indies and elsewhere.

French

Domaine(s)
  • Paléontologie
DEF

Échinoderme crinoïde, type de la famille des pentacrinidés, propre aux profondeurs marines, et fossile du Trias au Tertiaire.

Spanish

Save record 4

Record 5 2002-03-26

English

Subject field(s)
  • Paleontology
CONT

Lobolith(floating organ of crinoids), partly filled with bitumens.

French

Domaine(s)
  • Paléontologie
CONT

La tige du [Crinoïde «Scyphocrinites»] [...] se fixait à son extrémité distale sur une sphère creuse, appelée «lobolithe» [...]

Spanish

Save record 5

Record 6 2001-10-30

English

Subject field(s)
  • Paleontology
OBS

[A ramule is] a bifurcating or nonbifurcating minor branch of a crinoid arm, differing from a pinnule in less regular occurrence and in some crinoids by the presence of pinnules on it.

French

Domaine(s)
  • Paléontologie
CONT

Les tétrasporocystes cruciés ou plus ou moins irrégulièrement divisés se trouvent dans les derniers ramules spatulés, aplatis.

CONT

Ainsi tendent à se différencier des branches [...] plus petites («ramuli») [...]

Spanish

Save record 6

Record 7 1999-10-15

English

Subject field(s)
  • Petrography
  • Paleontology
DEF

A limestone consisting almost entirely of the fossil skeletal parts of crinoids in which the plates, ossicles, or joints are often cemented with clear calcite in crystallographic continuity with the crinoid fragment.

Key term(s)
  • encrinitic limestone
  • encrinic limestone
  • encrinital limestone
  • encrinitical limestone

French

Domaine(s)
  • Pétrographie
  • Paléontologie
CONT

Les calcaires à entroques sont formés par l'accumulation de débris de Crinoïdes ou d'Échinides. Chaque entroque est formée d'un cristal de calcite décelable à la loupe.

Spanish

Campo(s) temático(s)
  • Petrografía
  • Paleontología
Save record 7

Record 8 1978-08-20

English

Subject field(s)
  • Paleontology
OBS

(...) Devonian-Mississippian [crinoids]. Distinguished by ray structure and characters of posterior interray.

French

Domaine(s)
  • Paléontologie
OBS

Échinoderme crinoïde, fossile dans les terrains paleozoïques de l'hémisphère boréal.

Spanish

Save record 8

Record 9 1977-09-21

English

Subject field(s)
  • Paleontology
OBS

[A centrodorsal is] A commonly cirriferous crinoid columnal, or semifused to fused columnals attached to [the] theca of some articulate crinoids.

French

Domaine(s)
  • Paléontologie
OBS

La proximale [...] des [Crinoïdes] Comatulides [...] se fusionne à la capsule dorsale et se couvre de cirrhes pour devenir une pièce squelettique très spécialisée, la "centrodorsale".

Spanish

Save record 9

Record 10 1977-09-20

English

Subject field(s)
  • Paleontology
OBS

[A radianal plate is a] proximal plate of [the] right posterior ray in cladid, hybocrinid, and flexible crinoids, but shifted obliquely leftward in many; [it] supports [the] anal X at its left.

French

Domaine(s)
  • Paléontologie
OBS

Les [plaques] anales des "Inadunata" et des "Flexibilia" sont ordinairement au nombre de deux: l'"anale X" et la "radianale".

Spanish

Save record 10

Record 11 1977-09-20

English

Subject field(s)
  • Paleontology
OBS

[The anal X is a] plate between [the] posterior radials, obliquely at [the] left above [the] radianal in most inadunates and flexibles [(crinoids]) or obliquely at [the] left above [the] aniradial in disparids.

French

Domaine(s)
  • Paléontologie
OBS

Les [plaques] anales des "Inadunata" et des "Flexibilia" sont ordinairement au nombre de deux: l'"anale X" et la "radianale".

Spanish

Save record 11

Record 12 1977-09-20

English

Subject field(s)
  • Paleontology
OBS

[An anal tube is a] constricted pipelike elevation of [the] tegmen in camerate crinoids. [The] term is applied also to a fleshy conical tube of some modern crinoids; this tube is located on [the] tegmen and bears [the] anus.

French

Domaine(s)
  • Paléontologie
OBS

L'anus, ordinairement, s'ouvre chez les Crinoïdes récents au sommet d'une saillie périsomique, nue ou renforcée de plaques, dressée sur le tegmen, dans l'interradius postérieur. Chez les Crinoïdes paléozoïques, cette saillie peut s'étirer en un "tube anal" ou "proboscis", parfois si long que la pointe en émerge au-dessus des bras.

Spanish

Save record 12

Record 13 1977-09-19

English

Subject field(s)
  • Paleontology
OBS

[An infrabasal plate is a] plate of [the] lowest circlet in dicyclic crinoids(...)

French

Domaine(s)
  • Paléontologie
OBS

(...) le cercle des basales repose (...) sur un cercle d'"infrabasales" en position perradiale.

Spanish

Save record 13

Record 14 1977-09-19

English

Subject field(s)
  • Paleontology
DEF

[The term pseudomonocyclic applies to] crinoids with infrabasals absent in adults but present in young or in near ancestors.

French

Domaine(s)
  • Paléontologie
CONT

[Les Crinoïdes sont] pseudo-monocycliques [si] les [plaques] infrabasales ont disparu (...)

Spanish

Save record 14

Record 15 1977-07-04

English

Subject field(s)
  • Paleontology
OBS

[Gastropods of the] family Platyceratidae [are] coprophagous on crinoids and cystoids(...), the shells showing through their range from mid-Ordovician to Iate Paleozoic progressively more complete adaptation to a stationary life, principally on crinoid calices; earlier members [are] turbiniform or naticiform, with [a] flat columellar lip but with irregular prosocline growth lines; [the] lip [becomes] more uneven, conforming to irregularities of the crinoid or cystoid calyx, and the primitively coiled shell [uncoiled or developed] other peculiarities of growth as [the] crinoids became more elaborate in the course of time; ornament present in more primitive stocks but gradually lost. "M. Ord.-M. Perm. "

French

Domaine(s)
  • Paléontologie
OBS

[La] famille des Platyceratidae [est une] famille [de Mollusques] connue de l'Ordovicien au Permien.

Spanish

Save record 15

Record 16 1977-03-01

English

Subject field(s)
  • Paleontology
CONT

... most crinoids are attached to the sea bottom by a stem...

French

Domaine(s)
  • Paléontologie
CONT

[La tige est] composée d'articles égaux ou de taille variable, et alors alternant suivant un rythme régulier [chez un crinoïde] [...] La tige peut [...] porter des cirres [...]

Spanish

Save record 16

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