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radiolaria - rads_cat - Calocyclas parthenia radiolaria - rads_cat - Calocyclas parthenia

CATALOG OF ORIGINAL DESCRIPTIONS: Calocyclas parthenia 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 -> C -> Calocyclas -> Calocyclas parthenia
Other pages this level: << < C. crassa, C. cylindrica, C. destefanii, C. disparidens, C. extensa, C. extensa contracta, C. hannai, C. hyalogaster, C. litos, C. margatensis, C. minervae, C. monumentum, C. motoyamai, C. nakasekoi, C. ovata, C. parthenia, C. pudica, C. rachiphora, C. sacerdotis, C. semipolita robusta, C. semipolita semipolita, C. talwanii, C. turris, C. veneris, C. vestalis, C. virginis

Calocyclas parthenia

Citation: Calocyclas parthenia Haeckel 1887
Taxonomic rank: species
Described on page(s) : p.1385
Type specimens: pl.74, fig.1
Type repository: No information given
Family (traditional): Pterocorythidae
Family (modern): Pterocorythidae

Current identification:


Original Description

Shell nearly ovate, with thorny surface, and two slight strictures. Length of the three joints = 1: 2: 4, breadth = 2: 4: 5. Cephalis hemispherical, armed with numerous short, conical thorns, and with a pyramidal, very large, vertical horn as long as the thorax, and on the basal half as broad as the cephalis. Thorax hemispherical, separated by a slight stricture from the broader, barrel-shaped abdomen, which is a little constricted at the mouth. Teeth of the coronal about twenty, triangular, short, little divergent. Pores circular, somewhat irregular in size, three to four times as broad as the bars, in all three joints nearly of the same shape.

Length of the three joints, a 0.03, b 0.06, c 0.11; breadth, a 0.05, b 0.1, c 0.12. [dimensions in mm]

Editors' Notes
Haeckel listed Calocyclas parthenia under the subgeneric name Calocyclura, but did not include the subgeneric name in the species name.

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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Calocyclas parthenia compiled by the radiolaria@mikrotax project team viewed: 26-3-2025

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