radiolaria - rads_cat - Spirocyrtis cornutella <title>radiolaria - rads_cat - Spirocyrtis cornutella

CATALOG OF ORIGINAL DESCRIPTIONS: Spirocyrtis cornutella 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 -> Spirocyrtis -> Spirocyrtis cornutella
Other pages this level: S. cornutella, S. diplospira, S. elegans, S. greeni, S. gyroscalaris, S. hemispira, S. hollisi, S. holospira, S. merospira, S. parvaturris, S. proboscis, S. scalaris, S. submerospira, S. subscalaris, S. subtilis

Spirocyrtis cornutella

Citation: Spirocyrtis cornutella Haeckel 1887
Rank: species
Described on page(s) : p.1509
Type specimens: pl.76, fig.13
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type locality: LM121
Type repository: No information given

Current identification:


Original Description

Shell conical, gradually dilating towards the wide mouth, similar to the preceding, but differing in the curved axis, and the broader and shorter joints, each of which bears only two or three transverse rows of square pores. The turnings of the staircase are not so sharp, nor so distinct, as in the preceding species. Cephalis with a single short horn.

Translation:

Size:
Length of the shell (with eight joints) 0.1; breadth of the fourth joint 0.05, of the eighth joint 0.08.

Etymology:

Extra details from original publication

Editors' Notes
Haeckel listed Spirocyrtis cornutella under the subgeneric name Spirocyrtidium, but did not include the subgeneric name in the species name.
Questionably synonymized with Spirocyrtis scalaris Haeckel by Nigrini, 1977.[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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Spirocyrtis cornutella compiled by the radiolaria@mikrotax project team viewed: 6-2-2023

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