radiolaria - rads_cenozoic - Thecosphaera californica

radiolaria - rads_cenozoic - Thecosphaera californica radiolaria - rads_cenozoic - Thecosphaera californica

Thecosphaera californica

Classification: rads_cenozoic -> Actinommidae -> Actinommidae (ss) -> Thecosphaera -> Thecosphaera californica
Sister taxa: T. akitaensis, T. californica, T. dedoensis, T. inermis, T. japonica, T. larnacium, T. miocenica, T. pseudojaponica, T. radians, T. sanfilippoae, T. sp.

Taxonomy

Citation: Thecosphaera californica Clark & Campbell 1942

taxonomic rank: species

Synonyms:

From Suzuki Paleotax db:

1942 Thecosphaera (Thecosphaerella) californica n. sp. Clark & Campbell p. 22, pl. 4, fig. 7
1945 Thecosphaera (Thecospharella) californica Clark et Campbell Clark & Campbell p. 10, pl. 1, fig. 10
1972 Actinommura (?) aff. californica (Clark et Campbell) Petrushevskaya & Kozlova p. 519, pl. 9, fig. 15
1978 Actinommura (?) californica (Clark et Campbell) Dzinoridze et al. pl. 21, fig. 7
1979 Thecosphaera californica sumensis n. subsp. Gorbunov p. 91-94, pl. 12, fig. 1a, 1v
1988 Thecosphaera californica Clark et Campbell [sensu emend.] Blueford p. 247, pl. 3, figs. 10-12

Catalog entries: Thecosphaera californica

Type images:

type material: T. californica

Original description: Shell regularly globular and without spines; cortical shell with moderately thick wall, surface with about eight or fewer pores across a radius, pores without hexagonal frames but sunken with thickened rims; secondary medullary shell with large pores and very thick bars connected to the cortical shell by means of six beams, this shell about 0.25 diameter of the cortical shell, primary medullary shell very small, with about six pores across a radius, these pores unequal , subcircular to oval, or droplet-shaped, connected by about six beams to the secondary medullary shell which encloses it.
Remarks on original description: The authors here list this species under the subgeneric name Thecosphaerella and include the subgeneric name in the species name.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within (-Ma, top in "Holocene" stage). Data source:
First occurrence (base): within (-Ma, base in "Holocene" stage). Data source:

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
(NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Thecosphaera

References:

Thecosphaera californica compiled by the radiolaria@mikrotax project team viewed: 20-9-2024

Taxon Search:

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