radiolaria - rads_cat - Phorticium spironium radiolaria - rads_cat - Phorticium spironium

CATALOG OF ORIGINAL DESCRIPTIONS: Phorticium spironium 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 -> P -> Phorticium -> Phorticium spironium
Other pages this level: P. abnorme, P. deforme, P. itakii, P. multispinum, P. polycladum, P. pylonium, P. regulare, P. scitulum, P. spironium

Phorticium spironium

Citation: Phorticium spironium Haeckel 1887
Taxonomic rank: species
Described on page(s) : p.709
Type repository: No information given
Family (traditional): Litheliidae
Family (modern): Larnacillidae

Current identification:


Original Description

Cortical shell irregular, roundish, tuberous, about four times as large as the enclosed subregular Larnacilla-shell, connected with it by some irregular radial beams, and by opposite, spirally beginning, irregularly latticed girdles, comparable to those of Spironium; between them remain six to twelve large open gates of irregular size and form. Surface rough. The resemblance to some forms of Spironium makes it probable that this species is a deformity or monstrosity of that genus.

Diameter of the irregular cortical shell 0.12 to 0.2, of the lentelliptical medullary shell 0.03 to 0.06. [dimensions in mm]

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Phorticium spironium under the subgeneric name Phortopyle, 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


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Phorticium spironium compiled by the radiolaria@mikrotax project team viewed: 21-5-2026

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