radiolaria - rads_cat - Eucyrtidium conostoma <title>radiolaria - rads_cat - Eucyrtidium conostoma

CATALOG OF ORIGINAL DESCRIPTIONS: Eucyrtidium conostoma 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 -> E -> Eucyrtidium -> Eucyrtidium conostoma
Other pages this level: << < E. australe, E. barbadense, E. biauritum, E. bicorne, E. buetschlii, E. calvertense, E. campanulatum, E. cancrinum, E. carinatum, E. carnegiense, E. cassis, E. cervus, E. cheni, E. chrysalidium, E. cienkowskii, E. conostoma, E. cornutella, E. coronatum, E. cranoides, E. crassiceps, E. creticum, E. cryptocephalum, E. cryptoprora, E. cubense, E. cuspidatum, E. cybaeum, E. cylindricum, E. delmontense, E. delmontense inflatum, E. delmontense nipponicum, E. demersissimum> >>

Eucyrtidium conostoma

Citation: Eucyrtidium conostoma Haeckel 1887
Rank: species
Described on page(s) : p.1495
Type specimens: pl.78, fig.16
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type locality: LM17
Type repository: No information given

Current identification:


Original Description

Shell spiny, spindle-shaped, with four distinct strictures. Five joints of different lengths, having the proportion = 1: 2: 3: 6: 10. The fourth joint is the broadest, inflated, twice as broad as long. Cephalis small, with a conical horn of the same length. Fifth joint inversely conical, with a narrow mouth, broader than the cephalis. Short conical spines are scattered over the whole surface. Pores subregular, circular.

Translation:

Size:
Length of the shell (with five joints) 0.22. Length of the single joints, a 0.0l, b 0.02, c 0.03, d 0.06, e 0.1; breadth (of the fourth joint) 0.09.

Etymology:

Extra details from original publication

Editors' Notes
Haeckel listed Eucyrtidium conostoma under the subgeneric name Acanthocyrtis, but did not include the subgeneric name in the species name. This species is assigned to Acanthocyrtis (the senior homonym) Haeckel, 1881a (non Haeckel, 1887a).[comment from RadWorld database]

References:

Haeckel, E (1887a). 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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Eucyrtidium conostoma compiled by the radiolaria@mikrotax project team viewed: 4-2-2023

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