radiolaria - rads_cat - Calocyclas litos

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radiolaria - rads_cat - Calocyclas litos radiolaria - rads_cat - Calocyclas litos

CATALOG OF ORIGINAL DESCRIPTIONS: Calocyclas litos 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 -> C -> Calocyclas -> Calocyclas litos

Other pages this level: << < C. aphradia, C. aspasia, C. barbadensis, C. casta, C. coronata, C. coronata globosa, C. costata, 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> >>

Calocyclas (Calocycletta) litos Clark and Campbell 1945.jpg

Calocyclas litos

Citation: Calocyclas litos Clark & Campbell 1945

Taxonomic rank: species

Described on page(s) : p.44

Type specimens: pl.6, figs.13, 20

Type locality: LL598

Current identification/main database link: Theocyrtis litos (Clark&Campbell 1945)

Original Description

Generally conical (50° in upper part, later 30° thence, reduced inverted, to 18°) shell having but little significant changes in contour at the levels of the shell-divisions or between them; having a short (less than 0.2 total length), often tipped, 3-bladed, prismatic pointed apical horn fused basally with the top of the obscured conical cephalis (length about the same as that of the horn); cephalis and thorax conical in continued contour; waist line marked by a narrow, transverse, internal band and with but little local constriction; abdomen inverted, truncate-conical; oral margin ragged (torn?); pores of all 3 shell-divisions similarly circular to elliptical, generally of about the same size, without raised polygonal frames but within individual concave areas.

Size:

Total length 175-186µm.

Etymology:

No information given

Extra details from original publication

Distinguishing features: Our second shell (pl.6, fig.20) differs from the first one (pl.6, fig.13) in aberrant cephalis, tilted waist line, different pores, and in local modifications of contour. It is assigned to the present species with some doubt and may be some abnormal form

Editors' Notes

The authors here list Calocyclas litos under the subgeneric name Calocycletta 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

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

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=258893 Go to Archive.is to create a permanent copy of this page - citation notes

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