radiolaria - rads_cat - Stylosphaera jugata radiolaria - rads_cat - Stylosphaera jugata

CATALOG OF ORIGINAL DESCRIPTIONS: Stylosphaera jugata 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 -> Stylosphaera -> Stylosphaera jugata
Other pages this level: << < S. erato, S. euterpe, S. fairchildi, S. flexuosa, S. fornasinii, S. gonioxyphos, S. goruna, S. haeckeliana, S. hexaxyphophora, S. hexaxyphophora hexaxyphophora, S. hexaxyphophora octaxyphophora, S. hexaxyphophora pentaxyphophora, S. hispida, S. holosphaera, S. isoporata, S. jugata, S. laevis, S. liostylus, S. lithatractus, S. losbanosensis, S. macropora, S. macropora microaculeata, S. megadictya, S. megaxyphos, S. megaxyphos megaxyphos, S. megaxyphos pentaxyphos, S. megaxyphos tetraxyphos, S. megaxyphos trixyphos, S. melpomene, S. minor, S. minor brevihastata> >>

Stylosphaera jugata

Citation: Stylosphaera jugata Haeckel 1887
Taxonomic rank: species
Described on page(s) : p.137
Type repository: No information given
Family (traditional): Actinommidae
Family (modern): Stylosphaeridae

Current identification:


Original Description

Radial proportion of the two shells = 2:1. Cortical shell thick walled, smooth, with irregular, roundish, double-contoured pores, confluent in groups of two to six. On the half equator six to nine groups and fifteen to twenty pores; bars between them of very variable breadth. Polar spines very strong, three-sided pyramidal, twice as long as the axis of the outer sphere, half as broad at the base as its radius. (Nearly allied to Lithatractus jugatus, Pl. 16, fig. 2, but differs in the truly spherical form of both shells and the double length of the polar spines.)

Diameter of the outer shell 0.15, pores 0.005 to 0.002; inner shell 0.07; length of the polar spines 0.25 to 0.3, basal breadth 0.03. [dimensions in mm]

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 years 1873-1876. 18: 1-1803. gs O


logo

Stylosphaera jugata compiled by the radiolaria@mikrotax project team viewed: 29-4-2025

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/radiolaria/index.php?id=252775 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!