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HOLOCHOANITIC [5 records]

Record 1 1977-07-16

English

Subject field(s)
  • Paleontology
OBS

[A connecting ring is a] partly calcareous, partly conchiolinous, tubular membrane, that connects [the] septal neck of ellipochoanitic [nautiloid] conchs with [a] septum immediately behind it; vestiges of it are also found in holochoanitic forms.

French

Domaine(s)
  • Paléontologie
OBS

[L'] anneau connectif [est une] structure calcarifère sécrétée dans la zone périphérique du tissu siphonal [d'un Nautile]

Spanish

Save record 1

Record 2 1977-07-16

English

Subject field(s)
  • Paleontology
OBS

[The term holochoanitic is] descriptive of retrochoanitic septal necks that extend backward through [the] length of one camera [in a nautiloid]

French

Domaine(s)
  • Paléontologie
OBS

[Un siphon de Nautile est dit holochoané lorsqu'il y a] allongement des cols septaux jusqu'à la cloison précédente et au-delà; [les] anneaux connectifs [sont] généralement présents, peut-être constants (...)

Spanish

Save record 2

Record 3 1977-07-12

English

Subject field(s)
  • Paleontology
OBS

[Cephalopods of the family Proterocameroceratidae are] slender, straight or slightly cyrtoconic conchs, small to medium-sized. [The] siphuncles [are] small to medium-sized, marginal; septal necks... [range] from nearly achoanitic to almost holochoanitic; [the] connecting rings [are] thick, in some forms complex; endosiphyncular structures [are] simple or complex. "L. Ord. M. Canad.)-M. Ord.(Chazy.) ".

French

Domaine(s)
  • Paléontologie
OBS

[Les Céphalopodes de la famille des Proterocameroceratidae ont des] coquilles élancées, [un] siphon ventral non élargi apicalement, [des] cols de longueur variable, [des] endocônes simples ou complexes. Ce sont les endoceroïdes les plus primitifs.

Spanish

Save record 3

Record 4 1977-07-12

English

Subject field(s)
  • Paleontology
OBS

[Cephalopods of the family Piloceratidae are] breviconic, more or less strongly curved, rapidly expanding conchs with [a] compressed cross section; [the] body chamber may have [a] slightly contracted aperture. [The] Siphuncle [is] rapidly expanding, large; [the] septal necks, where known, [are] holochoanitic; [the] endocones [are] simple, but in some forms with complex systems of endosiphuncular blades and endosiphofunicles. "L. Ord.(? M. Canad.-U. Canad.) ".

French

Domaine(s)
  • Paléontologie
OBS

[Les Céphalopodes de la famille des Piloceratidae ont une] coquille et surtout [un] siphon larges, à accroissement rapide, [un] habitacle souvent faiblement bréviconique (...) [et des] siphons holochoanés.

Spanish

Save record 4

Record 5 1977-07-09

English

Subject field(s)
  • Paleontology
OBS

[Cephalopods of the family Endoceratidae have] straight, generally robust, large to extremely large conchs, including the largest known Paleozoic invertebrate fossils [The] Siphuncle [is] large, mostly ventral, but may be subventral to central in position. Septal necks [are] holochoanitic to macrochoanitic; [the] connecting rings [are] generally thin, forming [a] lining on [the] internal surface of [the] septal necks; endosiphuncular structures [are] generally simple. In many forms [the] apical end of [the] siphuncle [is] inflated to fill [the] entire apical portion of [the] conch. "L. Ord.(U. Canad.)-U. Ord.(Richmond.), ? M. Sil. ".

French

Domaine(s)
  • Paléontologie
OBS

[Les Céphalopodes de la famille des Endocératidae ont des] orthocônes souvent très larges, holochoanés, [le] col septal s'étendant au moins jusqu'à la cloison précédente et doublé intérieurement par l'anneau connectif muni souvent d'un chas.

Spanish

Save record 5

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