radiolaria - rads_cat - Stylosphaera clio radiolaria - rads_cat - Stylosphaera clio

CATALOG OF ORIGINAL DESCRIPTIONS: Stylosphaera clio Haeckel 1887

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 clio
Other pages this level: S. angelina, S. calliope, S. carduus, S. clio, S. coronata, S. coronata macrosphaera, S. coronata sabaca, S. datura, S. eocenica, S. erato, S. euterpe, S. fairchildi, S. flexuosa, S. fornasinii, S. gonioxyphos, S. goruna, S. haeckeliana, S. hexaxyphophora, S. hexaxyphophora hexaxyphophora> >>

Stylosphaera clio

Citation: Stylosphaera clio Haeckel 1887
Taxonomic rank: species
Described on page(s) : p.134
Type specimens: pl.16, fig.7
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type locality: LM28
Type repository: No information given

Current identification:


Original Description

Radial proportion of the two shells = 2: 1. Cortical shell thick walled, smooth; pores regular, circular, three times as broad as the bars; fourteen to sixteen on the half equator. Polar spines three-sided pyramidal, very robust, with thick prismatic edges, about as long as the axis of the cortical shell, one-third as broad at the base. (Sometimes, as in the figured specimen, one spine is greater than the other; this form may be called Sphaerostylus clio.)

Size:
Diameter of the outer shell 0.12, pores 0.01, bars 0.003; inner shell, 0.06; length of the polar spines 0.08 to 0.12, basal breadth 0.03 to 0.04.

Editors' Notes
Haeckel listed Stylosphaera clio under the subgeneric name Stylosphaerantha, but did not include the subgeneric name in the species name.

Pl.16, fig.7 illustrates Sphaerostylus clio, not Stylosphaera clio.[comment from RadWorld database]

References:

Haeckel, E (1887). Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873-1876. 18: 1-1803. gs O


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Stylosphaera clio compiled by the radiolaria@mikrotax project team viewed: 22-5-2025

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