radiolaria - rads_cat - Clathrocyclas alcmenae radiolaria - rads_cat - Clathrocyclas alcmenae

CATALOG OF ORIGINAL DESCRIPTIONS: Clathrocyclas alcmenae 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 -> Clathrocyclas -> Clathrocyclas alcmenae
Other pages this level: C. alcmenae, C. aurelia, C. australis, C. basilea, C. bicornis, C. cabrilloensis, C. cassiopeiae, C. collaris, C. coscinodiscus, C. danaes, C. diceros, C. europae, C. humerus, C. jonis, C. latonae, C. lipmanae> >>

Clathrocyclas alcmenae

Citation: Clathrocyclas alcmenae Haeckel 1887
taxonomic rank: species
Described on page(s) : p.1388
Type specimens: pl.59, fig.6
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/main database link: Clathrocyclas alcmenae Haeckel 1887


Original Description

Shell conical, with two indistinct strictures. Length of the three joints = 2: 10: 1, breadth = 2: 12: 14. Cephalis hemispherical, with two divergent, pyramidal horns; frontal horn as long as the cephalis, occipital horn of twice the length. Thorax conical, with large hexagonal meshes, increasing gradually in size towards the short abdomen, which is represented only by a single circular girdle of small, square, ahdominal pores. Coronal of the peristome with twenty to thirty triangular, divergent, nearly horizontal feet, as long as the cephalis.

Size:
Length of the three joints, a 20µm, b 100µm, c 10µm; breadth, a 20µm, b 120µm, c 140µm.

Extra details from original publication
Habitat: Central Pacific, Station 272, depth 2600 fathoms.

Editors' Notes
Haeckel listed Clathrocyclas alcmenae under the subgeneric name Clathrocycloma, but did not include the subgeneric name in the species name.
See also Clathrocyclas europae, C. semeles, C. danaes and Eucecryphalus cuvieri in Haeckel, 1887a.[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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Clathrocyclas alcmenae compiled by the radiolaria@mikrotax project team viewed: 5-12-2024

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