radiolaria - rads_cat - Zonarium tetratholium

CATALOG OF ORIGINAL DESCRIPTIONS: Zonarium tetratholium 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 -> Zonarium -> Zonarium tetratholium
Other pages this level: Z. octangulum, Z. quadrigatum, Z. quadrispinum, Z. tetratholium

Zonarium tetratholium

Citation: Zonarium tetratholium Haeckel 1887
Rank: species
Type locality: LM11
Type age (chronostrat): [presumably Quaternary, though some forms reported from these stations appear to be Tertiary]
Type repository: No information given
Described on page(s) : p.685

Current identification:


Original Description
Cortical shell quadrangular, with four rounded corners. Surface thorny, with sixteen stronger radial spines; eight of these lie in the lateral plane, in the same symmetrical disposition as in the foregoing species; eight others lie on both sides of the lateral plane, opposite in pairs in two crossed diagonal planes, in the same symmetrical disposition as in Tetrapyle octacantha. Sagittal constriction three times as long as the lentelliptical medullary shell. Four cupolas obliquely elliptical.

Size: Length of the cortical shell 160µm, breadth 120µm; length of the medullary shell 40µm, breadth 30µm.

Editors' Notes
There was no illustration of this species in Haeckel (1887)

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


logo

Zonarium tetratholium compiled by the radiolaria@mikrotax project team viewed: 8-12-2021

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/radiolaria/index.php?id=262242 Go to Archive.is to create a permanent copy of this page - citation notes



Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
1000
Captcha Image
Powered by Commentics