radiolaria - rads_cat - Staurotholonium bicruciatum radiolaria - rads_cat - Staurotholonium bicruciatum

CATALOG OF ORIGINAL DESCRIPTIONS: Staurotholonium bicruciatum 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 -> Staurotholonium -> Staurotholonium bicruciatum
Other pages this level: S. alternatum, S. bicruciatum, S. biquadratum, S. lenticulare, S. octodoratium, S. octodoronium

Staurotholonium bicruciatum

Citation: Staurotholonium bicruciatum Haeckel 1887
Taxonomic rank: species
Described on page(s) : p.675
Type repository: No information given
Family (traditional): not-known

Current identification:


Original Description

Outer cortical shell rough, twice as large as the inner, of the same form and structure, at an equal distance from it. In both shells the principal cupolas are larger than the lateral. Pores irregular, roundish, in the outer shell four times, in the inner twice as large as the bars; eight to ten in the basal semicircle of one cupola. Medullary shell lentelliptical.

Size:
Major (longitudinal) axis of the outer cortical shell 160µm, of the inner 80µm; minor (transverse) axis of the former 140µm, of the latter 70µm; medullary shell 30 to 4Oµm.

Extra details from original publication
Distinguishing characters: Similar to Staurotholus cruciatus, but differs mainly in the double cortical shell.

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Staurotholonium bicruciatum under the subgeneric name Staurotholodes, but did not include the subgeneric name in the species name.

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


logo

Staurotholonium bicruciatum compiled by the radiolaria@mikrotax project team viewed: 15-5-2025

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/radiolaria/index.php?id=252676 Go to Archive.is to create a permanent copy of this page - citation notes



Add Comment

* Required information
Captcha Image

Comments

No comments yet. Be the first!