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EOORTHIDAE [1 record]

Record 1 1977-06-23

English

Subject field(s)
  • Paleontology
OBS

[Articulate brachiopods of the] family Eoorthidae (...) [have the following characteristics: the] Interareas [are] well developed, [the] hinge lines wide, [the] delthyrium and notothyrium open; [the] teeth [are] strong, commonly supported by receding dental plates, [the] ventral muscle scar [is] variably impressed on [the] valve floor or [the] pseudospondylium; [the] cardinal process and notothyrial platform [are] rudimentary, [the] socket ridges widely divergent, bladelike, making acute angles with [the] hinge line to define [the] sockets; the ventral mantle canal system [is] saccate with [the] proximal parts of [the] "vascula media" divergent. L. Cam. - L. Ord.

French

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes articulés membres de la] famille des Eoorthidae (...) [ont un] deltidium et [un] chilidium dans le jeune âge seulement; [ils n'ont] pas de spondylium, mais [des] plaques dentales bien développées, ou un pseudospondylium; [le] processus cardinal [est] peu développé.

Spanish

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