CATALOG OF ORIGINAL DESCRIPTIONS: Gorgospyris hexapodalia Clark & Campbell 1942

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 -> G -> Gorgospyris -> Gorgospyris hexapodalia
Other pages this level: G. cystophora, G. cystophora brevipes, G. cystophora cystophora, G. eurycolpos, G. hemisphaerica, G. hemisphaerica sibirica, G. hexapodalia, G. infida, G. lamellipes, G. lamellosa, G. liriope, G. medusa, G. medusetta, G. perizostra, G. perplexus, G. polypus, G. quinquespine, G. schizopodia, G. thamnopodia

Gorgospyris hexapodalia

Citation: Gorgospyris hexapodalia Clark & Campbell 1942
Rank: species
Type specimens: pl.9, fig.16
Type repository: University of California, Museum of Paleontology, San Francisco
Described on page(s) : p.60
Family (traditional): Trissocyclidae
Family (modern): Triospyridae

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Current identification:


Original Description
Shell very small, nut-shaped, with six feet arising from a tall, hyaline, continuous, cylindrical collar around the shell aperture, equal, equidistant, lamellar, concave inside and between adjacent feet, curved, not markedly divergent, hyaline like the collar, tips rather broad as a whole, clawlike and very prominent; aperture the opening of the collar into the shell; shell hemispherical or capsulelike, divided internally by the great circle into two quadrants but without external stricture; the surface roughened by scattered tubercules and also with short, wavy lines twisted among the knobs and pores, dense and thick-walled; pores all small, well-separated, in indefinite vertical rows of not over six to a row, and with about five rows across the shell, some of the pores extremely tiny; great-circle very thin, almost obliterated.

Length of shell, 47.4µm; of feet and collar, 49.6µm; of collar alone, 14.4µm; breadth of shell, 47.4µm; diameter of pores 2.2-4.4µm. Distinguishing characters (rw): Gorgospyris hexapodalia n. sp. differs from G. lamellosa Haeckel (1887), a Barbados species, in having fewer feet and is much like G. schizopodia (Haeckel, 1887), a recent species from the Pacific, but has fewer feet, and these are not branched.

Editors' Notes
[The authors here list this species under the subgeneric name Gorgospyrium and include the subgeneric name in the species name.

References:

Clark, B. L. & Campbell, A. S. (1942). Eocene radiolarian faunas from the Mt. Diablo area, California. Geological Society of America, Special Papers. 39: 1-112. gs


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Gorgospyris hexapodalia compiled by the radiolaria@mikrotax project team viewed: 1-3-2021

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