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PSEUDOINTERAREA [12 fiches]

Fiche 1 2015-04-23

Anglais

Subject field(s)
  • Paleontology
CONT

[The] intertrough [is a] median, narrowly triangular furrow dividing [the] pseudointerarea of [the] pedicle valve of some acrotretaceans...

Français

Domaine(s)
  • Paléontologie
CONT

[Une] dépression interne [...] [est un] Sillon de la pseudo-interaréa de certains «Neotremata», dont le fond est souvent aplati et granuleux. Cette structure est sans doute en rapport avec le fonctionnement du pédoncule.

Espagnol

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Fiche 2 2003-07-22

Anglais

Subject field(s)
  • Paleontology
DEF

A family of Cambrian and Ordovician inarticulate brachiopods of the suborder Acrotretidina.

OBS

[Inarticulate brachiopods belonging to the] superfamily Acrotretacea... [are characterized by a] pedicle valve [which is] commonly conical to subconical, more rarely convex, [a] pseudointerarea [is] usually present; [the] pedicle opening [is] typically a foramen at or slightly posterior to [the] beak, less commonly an open triangular delthyrium; [the] brachial valve [is] usually with [a] marginal beak, more rarely [a] low cone... ;propareas [are] variably developed; [a] dorsal median ridge or septum [is] usually present... Lower Cambrian-Devonian.

Français

Domaine(s)
  • Paléontologie
OBS

[Les brachiopodes inarticulés appartenant à la] super-famille des Acrotretacea [...] [ont une] Forme circulaire de contour et [un] profil allant de conique à déprimé. [L']orifice pédonculaire [est] simple, circulaire, passant à travers l'umbo de la valve ventrale en arrière du protegulum. Cambrien-Silurien.

Espagnol

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Fiche 3 1977-06-21

Anglais

Subject field(s)
  • Paleontology
OBS

[The] subfamily Obolinae [consists of] rounded to suboval [inarticulate brachiopods with] flexure lines on [the] ventral propareas; [the] dorsal pseudointerarea [is] well developed as [a] striated, triangular plate divided into two propareas by [a] poorly defined, broadly triangular, concave median depression(...). L. Cam.-M. Ord.

Français

Domaine(s)
  • Paléontologie
OBS

[La] sous-famille des Obolinae [comprend des Brachiopodes inarticulés avec une] ouverture pédonculaire arrondie, sans tuyau, entièrement dans la valve ventrale. [Cette sous-famille est] abondante au Cambrien, mais parvenant dans l'Ordovicien.

Espagnol

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Fiche 4 1977-06-21

Anglais

Subject field(s)
  • Paleontology
OBS

[The] Superfamily Trimerellacea [includes] large [inarticulate brachiopods] with thick calcareous shells, biconvex, inequivalved, elongate oval to transversely oval in outline, [the] shell smooth except for growth lines; [the] beak of [the] pedicle valve [is] prominent, [the] pseudointerarea [is] well developed, generally apsacline, divided into two propareas by [a] triangular homeodeltidium. Internally, [the] ventral umbo may be solid or divided into two umbonal chambers by [a] cardinal buttress; muscle platforms [are] present in both valves, solid or excavated, when excavated, [the] cavity [is] divided into two vaults by [a] median partition that may extend anterior to [the] platform. M. Ord.-U. Sil.

Français

Domaine(s)
  • Paléontologie
OBS

[La] Super-famille des Trimerellacea [est un groupe de Brachiopodes inarticulés ayant une] Coquille calcaire; [une] grande taille; [et des] empreintes musculaires sur une plate-forme surélevée.

Espagnol

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Fiche 5 1977-06-21

Anglais

Subject field(s)
  • Paleontology
OBS

[Inarticulate brachiopods belonging to the family Obolellidae have] Ornaments of concentric growth lines and fine radial striae. One pair of principal mantle canals("vascula lateralia") in [the] pedicle valve diverge anterolaterally from in front of [the] beak, [the] posterior third of [the] valve [is] commonly thickened to produce [a] very low, solid platform. [The] Brachial valve [has] orthocline pseudointerarea, [a] low median ridge variably developed, two pairs of principal mantle canals, one pair,("vascula lateralia") diverging anterolaterally from in front of [the] beak, [the] second pair,("vascula media") arising near [the] center of [the] valve, diverging slightly anteriorly;(...) L. Cam-M. Cam.

Français

Domaine(s)
  • Paléontologie
OBS

[La] Famille des Obolellidae (...) [Comprend des Brachiopodes inarticulés qui ont un] Orifice pédonculaire petit, en arrière du protegulum. Cambrien

Espagnol

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Fiche 6 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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Fiche 7 1977-06-21

Anglais

Subject field(s)
  • Paleontology
OBS

[The] Superfamily Siphonotretacea [includes] Biconvex [inarticulate brachiopods] usually ornamented by hollow spines; [the] pedicle foramen [is] circular and apical or may extend anteriorly, through resorption producing [an] elongate triangular pedicle track; when elongate, [the] posterior part of [the] opening may be closed by a plate which may be continued to form [a] distinct anterodorsally directed pedicle tube; [the] pseudointerarea of [the] pedicle valve [is] small or absent. [The] Brachial beak is marginal, pseudointerarea may be divided into two propareas by [a] small pit(...). U. Cam.-Ord.

Français

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes inarticulés appartenant à la] Super-famille des Siphonotretacea [ont une] Ouverture ventrale du pédoncule avec un tuyau, tantôt circulaire, situé en arrière du protegulum, tantôt allongé, traversant le protegulum et l'umbo. Cambrien-Silurien.

Espagnol

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Fiche 8 1977-06-21

Anglais

Subject field(s)
  • Paleontology
OBS

[The inarticulate brachiopods belonging to the] Superfamily Paterinacea(...) [have a] Ventral pseudointerarea usually well developed, procline to apsacline, [and a convex] homeodeltidium(...). [The] Brachial valve [is] lower than [the] pedicle valve, [and the] homeochilidium [is] convex(...) L. Cam.-M. Ord.

Français

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes inarticulés appartenant à la] Super-famille des Paterinacea (...) [ont une] Ouverture pédonculaire plus ou moins fermée par un homoeodeltidium et un pseudochilidium. [Les] Coquilles [sont] petites et elliptiques. (...) Cambrien.

Espagnol

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Fiche 9 1977-06-18

Anglais

Subject field(s)
  • Paleontology
OBS

[The] Lingulidae [are a family of inarticulate brachiopods. The members are] elongate oval to spatulate in outline, more rarely subtriangular, gently biconvex; [the] beak of [the] pedicle valve [has a] broadly triangular ventral depression or groove for [the] passage of [the] pedicle, [the] posterolateral margins of [the] valve [are] thickened, striated, lacking flexure lines, but rarely forming well-defined triangular propareas. [The] beak of [the] brachial valve [has] small, uninterrupted pseudointerarea, not extending as a plate into the valve. [The] Principal musculature [consists] of [an] umbonal muscle, paired centrals, transmedians, anterior, outside and middle laterals. One pair of principal mantle canals("vascula lateralia") [is] in each valve.(...) ? Ord., Sil.-Rec.

Français

Domaine(s)
  • Paléontologie
OBS

Lingulidae [est une famille de Brachiopodes inarticulés dont les individus ont un] contour plus ou moins spatulé ou subquadrangulaire. [Ils sont] subéquivales. [Ils ont des] muscles hautement différenciés. Ordovicien-Actuel, avec maximum à l'Ordovicien.

Espagnol

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Fiche 10 1977-06-18

Anglais

Subject field(s)
  • Paleontology
OBS

Lingulacea [is a superfamily of inarticulate brachiopods, with individuals having] shell phosphatic(...), usually with some layers of organic material; valves subequal, pedicle valve in many forms slightly larger, bearing [a] pedicle groove commonly separating orthocline, striated propareas(...) ;posterior margin of [the] brachial valve may be merely thickened or [may] possess pseudointerarea extending [a] variable distance anteriorly as [a] concave apical plate. L. Cam.-Rec.

Français

Domaine(s)
  • Paléontologie
OBS

Lingulacea [est une super-famille de Brachiopodes inarticulés, dont les membres ont une] coquille mince, cornée, [avec un] contour allongé, [et un] pédoncule long, flexible. [Ils] vivent enfoncés dans le substratum Ordovicien-Actuel.

Espagnol

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Fiche 11 1977-06-13

Anglais

Subject field(s)
  • Paleontology
OBS

[The] pseudointerarea [is a] somewhat flattened, posterior sector of [the] shell of some inarticulate brachiopods, secreted by [the] posterior sector of [the] mantle not fused with that of [the] opposite valve(...)

Français

Domaine(s)
  • Paléontologie
OBS

[Une] pseudo-interaréa [est la] pente postérieure des valves ventrales coniques chez les "Neotremata" et, [la] surface aplanie se trouvant habituellement sur les marges postérieures épaisses de la valve dorsale de beaucoup de "Neotremata" et aux deux valves des "Atremata".

Espagnol

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Fiche 12 1977-06-13

Anglais

Subject field(s)
  • Paleontology
OBS

[The] notothyrium [is a] median subtriangular opening bisecting [the] dorsal cardinal area or pseudointerarea... [of a brachiopod]

Français

Domaine(s)
  • Paléontologie
OBS

[Le nothyrium est] l'ouverture du bord de la valve dorsale des «Neotremata» par où passe le pédoncule.

Espagnol

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