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ANACLINE [8 fiches]

Fiche 1 2010-10-07

Anglais

Subject field(s)
  • Paleontology
DEF

Describes the situation where the interarea [in a strophic brachiopod shell] is at an angle of less than 90° to the plane of commissure.

Français

Domaine(s)
  • Paléontologie
DEF

S'applique à la valve dorsale et à la valve ventrale [d'un brachiopode lorsque l'area a une] inclinaison à plus de 0° et moins de 90° par rapport au plan horizontal.

Espagnol

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Fiche 2 1977-06-29

Anglais

Subject field(s)
  • Paleontology
OBS

[Brachiopods of the] family Heterorthidae [are] transversely subcircular to subquadrate with [the] hinge line less than [the] maximum shell width, concavo-convex to bioconvex, [the] ventral interarea [is] apsacline, [the] dorsal interarea [is] anacline, [the] delthyrium [is] open, [the] notothyrium [is] open or with [a] chilidium, [they are] typically finely costellate, rarely with [a] ventral fold and dorsal sulcus; [the] ventral muscle field [is] large with long divergent, semi-circular, commonly flabellate and scalloped, diductor scars with anterior ends widely separated, extending far beyond and not enclosing [the] adductor scars; [the] cardinal process is narrow of semioval with [a] commonly trilobate posteroventral surface, [the] brachiophores [are] ridge like, fused to [the] valve floor throughout their length, [the] dorsal adductor field [is] quadripartite, subcircular; [the] dorsal mantle canal system [is] lemniscale, [the] ventral [is] probably also lemniscate. "M. Ord.-U. Ord. "

Français

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes de la] famille des Heterorthidae [sont] plats ou, concavo-convexes; l'impression des muscles diducteurs ventraux en éventail n'entoure pas les adducteurs; [le] processus cardinal [est] étroit, avec [un] myophore allongé; [il y a un] dépôt secondaire chez les brachiophores.

Espagnol

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Fiche 3 1977-06-29

Anglais

Subject field(s)
  • Paleontology
OBS

[Brachiopods of the] family Dalmanellidae [have a] convexo-concave to plano-convex profile, [a] ventral interarea [that is] curved, apsacline, [a] dorsal interarea [that is] shorter, anacline, [a] delthyrium and [a] notothyrium [that are] open, [a] coarsely fascicostellate to finely costellate ornament very rarely with hollow costellae, [a] variably developed dorsal sulcus at least in young growth stages; [the] ventral muscle field [is] usually umbonal, broadly cordate to bilobed, with [an] adductor scar rarely enclosed by median diductor lobes; [they have a] cardinal process varying from [a] simple ridge to [an] elaborate trilobed myophore with shaft, bases of [the] simple brachiophore [are] variably disposed, fulcral plates [are] commonly developed; [the] dorsal adductor scar [is] quadripartite, [the] mantle canal system [is] commonly lemniscate in both valves. "L. Ord.-L. Carb. "

Français

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes de la] famille des Dalmanellidae [ont des] brachiophores simples, en lames, sans plaque fulcrale; [ils ont un] champ musculaire ventral bilobé dans la partie antérieure. Il existe cependant chez les jeunes des plaques fulcrales qui, parfois, persistent chez les adultes.

Espagnol

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Fiche 4 1977-06-29

Anglais

Subject field(s)
  • Paleontology
OBS

[Brachiopods of the] Family Linoporellidae [are] subequally biconvex to ventribiconvex, [the] ventral interarea [is] long, curved, apsacline, [the] dorsal interarea [is] shorter, curved, anacline, [the] delthyrium and notothyrium [are] open, [the] fold and sulcus [are] rarely well developed; [the] ventral muscle field [is] variable, [the] dental plates [are] strong; [the] cardinal process [is a] simple ridge, continuous anteriorly with [a] median septum, [the] brachiophores [are] long, bladelike, with [the] bases convergent on to [a] strong median septum to form [a] septalium, fulcral plates [are] present; [the] ventral mantle canal system [is] possibly saccate, [the] dorsal [is] probably lemniscate. "M. Ord.-U. Sil. "

Français

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes de la] famille des Linoporellidae [ont] les brachiophores [qui] se réunissent au septum médian, (...) à la valve dorsale (...)

Espagnol

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Fiche 5 1977-06-29

Anglais

Subject field(s)
  • Paleontology
OBS

[Brachiopods of the] family Dicoelosiidae [have an] outline [that is] bilobed with [an] emarginate anterior margin resulting from [a] sulcus in each valve. [They have a] hinge line of variable width, but shorter than [the] maximum valve width; [the] ventral interarea [is] apsacline, [the] dorsal interarea [is] shorter, anacline, [the] delthyrium and notothyrium [are] open. [They have a] ventral muscle field with adductor scars not enclosed by diductor scars; [a] cardinal process with [a] short, bilobed myophore and shaft, [the] brachiophores [are] long, bladelike plates. "U. Ord.-M. Dev. ".

Français

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes de la] famille des Dicoelosiidae [sont de] petites formes bilobées (bord antérieur émarginé) avec une ligne cardinale courte, [un] processus cardinal épais. Ordovicien supérieur - Dévonien (...)

Espagnol

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Fiche 6 1977-06-29

Anglais

Subject field(s)
  • Paleontology
OBS

[Brachiopods of the] family Mystrophoridae [are] ventribiconvex, with [a] high apsacline, ventral interarea, [the] dorsal interarea [is] shorter, anacline, [the] delthyrium and notothyrium [are] open; [the] ventral muscle field [have] adductor scars not enclosed by slightly longer diductor scars; [they have a] cardinal process with [a] bilobate myophore and shaft united with [a] very high median septum which supports [a] well-developed cruralium, [the] brachiophores [are] long, ventrally directed, [and] fulcral plates [are] present. "M. Dev. "

Français

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes de la] famille des Mystrophoridae [ont un] test puncturé, [un] processus cardinal lobé, [des]) plaques dentales divergentes et, dans le sommet de la valve, une plaque servant probablement à la fixation du pédoncule.

Espagnol

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Fiche 7 1977-06-29

Anglais

Subject field(s)
  • Paleontology
OBS

[Brachiopods of the] family Tropidoleptidae [have the following characteristics : the] hinge line [is] wide, [the] ventral interarea [is] well-developed, orthocline, [the] delthyrium [is] open; [the] dorsal interarea [is] shorter, anacline, [the] notothyrium [is] covered by [an] antigydium. [The] Teeth [are] massive [the] outer sides [are] strongly crenulated, separate from [the] hinge line, supported by stout dental plates. [There is a] high cardinal process with [a] deep double diductor pit on [the] ventral surface at [the] posterior of [a] thick notothyrial platform; anteriorly, [a] pair of long crura develop apophyses which possibly form [a] loop with posteriorly directed outgrowths from [the] high anterior part of [the] median septum. "L. Dev.-U. Dev. "

Français

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes de la] famille des Tropidoleptidae [ont un] profil concavo-convexe; [des] côtes larges, arrondies; [un] fort septum dorsal auquel s'unissent les extrémités des processus brachiaux.

Espagnol

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Fiche 8 1977-06-21

Anglais

Subject field(s)
  • Paleontology
OBS

[The] Family Acrotretidae [is made up of] generally small to minute [inarticulate brachiopods] ;[the] pseudointerarea of [the] pedicle valve [is] commonly divided by [an] intertrough or deltoid pseudointerarea; [the] pedicle foramen [is] small, at or somewhat posterior to [the] beak, [and] may be [a] simple perforation or continued internally as some form of tube, [an] apical process [is] present in many species; [the] brachial valve [is] gently convex to gently concave, [a] marginal beak, pseudointerarea well developed to obsolescent, anacline to orthocline, [a] median septum [is] usually present, [and] may be merely a ridge or absent. Muscle scars of [the] pedicle valve include [a] pair of relatively large cardinal scars posterolaterally placed and [a] pair of small apical pits. [The] brachial valve bears [a] pair of large cardinal scars posterolaterally situated and [a] smaller pair of anterior scars close together, near [the] center of [the] valve; another more doubtful scar is medially placed immediately in front of [the] pseudointerarea. [A] ventral mantle canal system typically consists of [a] pair of baculate "vascula lateralia"(more rarely pinnate... ;[the] mantle canal system of [the] brachial valve... commonly comprises [a] pair of basculate "vascula lateralia" that diverge anterolaterally from in front of [the] beak, with [an] additional, poorly impressed pair of "vascula media". Lower Cambrian-Upper Silurian? Lower Devonian.

Français

Domaine(s)
  • Paléontologie
CONT

[La] famille des Acrotretidae [...] [est une] famille unique [de Brachiopodes inarticulés appartenant à la superfamille des Acrotretacea,] avec trois sous-familles : Acrothelinae, [...] Acrotretinae [...], Acrosaccinae [...]

Espagnol

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