radiolaria - rads_cenozoic - Clathrocyclas aurelia

radiolaria - rads_cenozoic - Clathrocyclas aurelia radiolaria - rads_cenozoic - Clathrocyclas aurelia

Clathrocyclas aurelia

Classification: rads_cenozoic -> Theoperidae -> Anthocyrtidae -> Clathrocyclas -> Clathrocyclas aurelia
Sister taxa: C. alcmenae, C. aurelia, C. australis, C. cassiopeiae, C. semeles, C. universa, C. sp.

Taxonomy

Citation: Clathrocyclas aurelia Clark & Campbell 1945

taxonomic rank: species

Basionym: Clathrocyclas aurelia

Synonyms:

From Suzuki Paleotax db:

1945 Clathrocyclas (Clathrocycloma) aurelia n. sp. Clark & Campbell p. 46, pl. 6, fig. 30
1991 Clathrocyclas aurelia Clark & Campbell Caulet pl. 2, fig. 8
1997 Clathrocyclas aff. aurelia Clark & Campbell O'Connor p. 111, pl. 7, fig. 8
1999 Theocalyptra (?) sp. cf. T. aurelia (Clark et Campbell) Kozlova pl. 12, figs. 5, 9
1999 Theocalyptra aurelia (Clark & Campbell) Kozlova p. 124, pl. 12, figs. 5, 9

Taxonomic discussion: Clark and Campbell 1945 p. 46 pl. 6 fig. 30; Caulet 1991 (ODP 119 SR) pl.2 fig.8

Catalog entries: Clathrocyclas aurelia

Type images:

type image: C. aurelia

Original description: Wide conical-campanulate shell having a flat marginally shouldered abdomen; apical horn terminal, single, rod like (distally broken), and basally simple; cephalis subhemispherical, short (less than 0.14 total length), and with the cervical stricture marked by change in lateral contour (its basal diameter little greater than the length); thorax generally and widely subconical (75°), with mild asymmetry, and swelling near the middle, the basal diameter great (0.73 total length), and the length equal to the basal diameter; abdomen wide, generally ringlike, around the base of the thorax with sharp stricture (lumbar), and distally bending rather suddenly to form a short circular rim (about the same in height as the cephalis), the free edge of this rim much torn so that the marginal teeth presumed to be present are lost; pores of cephalis few (not more than 16), well separated, and small (2.2?m or less); pores of thorax generally graded from small at the neck to large at the base with a few odd tiny ones subcervically, generally subelliptical or even subpolygonal especially above the base, rather closely set, and comparatively numerous (over 100); pores of abdomen in 3 transverse rows which are fairly regular (more so than in the thorax), and 1 row is along the rim; wall generally hyaline.
Remarks on original description: The authors here list Clathrocyclas aurelia under the subgeneric name Clathrocycloma and include the subgeneric name in the species name.[comment from RadWorld database]

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Neogene Period (2.59-23.03Ma, top in Piacenzian stage). Data source: Lazarus et al. 2015 - "N age group"
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Lazarus et al. 2015 - "N age group"

Plot of occurrence data:
Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
Taxon plotted: Clathrocyclas aurelia, synonyms included - Clathrocyclas aurelia;
See also space-time plot :: Samples map :: Parent: Clathrocyclas

References:
Caulet, J. (1991). Radiolarians from the Kerguelen Plateau, Leg 119. Proceedings of the Ocean Drilling Program, Scientific Results. 119: 513-546. gs
Clark, B. L. & Campbell, A. S. (1945b). Radiolaria from the Kreyenhangen Formation near Los Banos, California. Geological Society of America, Memoir. (10): 1-66. gs

Clathrocyclas aurelia compiled by the radiolaria@mikrotax project team viewed: 12-10-2024

Taxon Search:

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