CATALOG OF ORIGINAL DESCRIPTIONS: Tristylospyris brevipes 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 -> T -> Tripospyris -> Tristylospyris brevipes
Other pages this level: T. angulata, T. bicornis, T. biloculata, T. byzantina, T. capellinii, T. capitata, T. conifera, T. cortina, T. cortiniscus, T. crassipes, T. diadema, T. diomma, T. dubia, T. eucolpos, T. furcata, T. galea, T. hexomma, T. karakumensis, T. mutinensis, T. sacramentoensis, T. semantidium, T. semantis, T. semantrum, T. tessaromma, T. triplecta, T. brevipes

Tristylospyris brevipes

Citation: Tristylospyris brevipes Clark & Campbell 1945
Rank: species
Type locality: LL598
Type age (chronostrat): Eocene, Cenozoic
Type specimens: pl.7, fig.23
Type repository: University of California, Museum of Paleontology, San Francisco
Repository city: San Francisco
Described on page(s) : p.30

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Current identification: Tripospyris brevipes

Original Description
Small, hornless, generally nutlike shell, having only slight coryphal and no lateral indentation, the 2 opposite similar lobes having very little inflation, and having a subtriangular basal plate; pores tiny, of nearly uniform diameter, very well spaced, few in number (hardly more than 18 on 1 face of 1 lobe), and without regular, ordered arrangement but crossing the sagittal line; surface smooth with no trace of even minor local roughness; great-circle thick, bandlike; 3 feet, 1 odd caudal (out of focus in the photograph) and 2 paired pectoral, short (less than 0.5 the altitude of the shell), divergent, straight, stoutly conical (under 5°), sharp at the free ends, basally simple, and with thick shafts; interradii simple; basal plate having 2 elliptical pores.

Size: Total length (specimen tipped) 70µm, of feet 20µm; diameter of pores 2.2µm.

Etymology: No information given

Extra details from original publication
Distinguishing features: Tristylospyris brevipes n. sp. is extremely small and has shorter feet than other species.

Editors' Notes
The authors here list Tristylospyris brevipes under the subgeneric name Tristylospyrula and include the subgeneric name in the species name.[comment from RadWorld database]


Clark, B. L. & Campbell, A. S. (1945). Radiolaria from the Kreyenhangen Formation near Los Banos, California. Geological Society of America, Memoir. 1-66. gs


Tristylospyris brevipes compiled by the radiolaria@mikrotax project team viewed: 14-4-2021

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