radiolaria - rads_cat - Stylosphaera losbanosensis

radiolaria - rads_cat - Stylosphaera losbanosensis radiolaria - rads_cat - Stylosphaera losbanosensis

CATALOG OF ORIGINAL DESCRIPTIONS: Stylosphaera losbanosensis Clark & Campbell 1945

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.

Higher levels: rads_cat -> S -> Stylosphaera -> Stylosphaera losbanosensis

Other pages this level: << < S. fornasinii, S. gonioxyphos, S. goruna, S. haeckeliana, S. hexaxyphophora, S. hexaxyphophora hexaxyphophora, S. hexaxyphophora octaxyphophora, S. hexaxyphophora pentaxyphophora, S. hispida, S. holosphaera, S. isoporata, S. jugata, S. laevis, S. liostylus, S. lithatractus, S. losbanosensis, S. macropora, S. macropora microaculeata, S. megadictya, S. megaxyphos, S. megaxyphos megaxyphos, S. megaxyphos pentaxyphos, S. megaxyphos tetraxyphos, S. megaxyphos trixyphos, S. melpomene, S. minor, S. minor brevihastata, S. minor leptoxyphos, S. minor minor, S. musa, S. nana> >>

Stylosphaera (Stylosphaerantha) losbanosensis Clark and Campbell 1945.jpg

Stylosphaera losbanosensis

Citation: Stylosphaera losbanosensis Clark & Campbell 1945

Taxonomic rank: species

Described on page(s) : p.12

Type specimens: pl.1, figs.20, 21

Type locality: LL598

Current identification/main database link: Axoprunum losbanosensis (Clark&Campbell 1945)

Original Description

Shell globular, with 2 opposite, similar polar spines, these spines very short (only 0.43 diameter of cortical shell in length), generally conical in outline (25°), with sharply pointed free tip, circular section, and simple base; cortical shell thick-walled and very prominent with reference to the short spines and with a smooth surface; medullary shell globular, small (approximately 0.3 diameter of cortical shell), with rather thin polygonal framework and having few fairly thin prismatic radial beams (probably not a dozen); pores of cortical shell similarly everywhere circular and of nearly the same size, relatively few (about 10 across a diameter), and rather deeply set; pores of medullary shell large and few; framework of cortical shell raised, thick, and polygonal but without strong sepaloid points so that the surface is not modified.

Size:

Length of polar spines not exceeding 50µm; diameter of cortical shell 120µm of medullary shell 40.8µm of cortical pores, 8.8µm; thickness of wall 10µm.

Etymology:

No information given

Extra details from original publication

Distinguishing features: Stylosphaera losbanosensis n. sp. has very short, thick polar spines and a comparatively large shell, which characters set it apart from other species, but it must be differentiated with a little care from minor brevihastata n. subsp. which has longer spi

Editors' Notes

The authors here list Stylosphaera minor losbanosensis under the subgeneric name Stylosphaerantha and include the subgeneric name in the species name.[comment from RadWorld database]

References:
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

Stylosphaera losbanosensis compiled by the radiolaria@mikrotax project team viewed: 21-5-2025

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=258975 Go to Archive.is to create a permanent copy of this page - citation notes

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