CATALOG OF ORIGINAL DESCRIPTIONS: Zygostephanus reniformis 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 -> Z -> Zygostephanus -> Zygostephanus reniformis
Other pages this level: Z. bicornis, Z. dissocircus, Z. muelleri, Z. octoformis, Z. ramosus, Z. reniformis, Z. serratus, Z. violina

Zygostephanus reniformis

Citation: Zygostephanus reniformis Haeckel 1887
Rank: species
Type locality: LM25
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type repository: No information given
Described on page(s) : p.972

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Current identification:

Original Description
Frontal ring kidney-shaped, in the upper half convex, in the lower half concave; in the latter with a deep sagittal constriction, armed with numerous irregular short spines. Sagittal ring thicker and lower, only two-thirds as high, with four pairs of short divergent spines (two ventral and two dorsal pairs).

Size: Height of the frontal ring 0.13, breadth 0.2.

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Zygostephanus reniformis under the subgeneric name Zygostephaniscus, but did not include the subgeneric name in the species name.[comment from RadWorld database]


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 year 1873-1876, Zoology. 18: 1-1803. gs


Zygostephanus reniformis compiled by the radiolaria@mikrotax project team viewed: 17-6-2021

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