radiolaria - rads_cat - Stephanastrum radiolaria - rads_cat - Stephanastrum

CATALOG OF ORIGINAL DESCRIPTIONS: Stephanastrum Ehrenberg 1846

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 -> Stephanastrum
Other pages this level: << < Staurocaryum, Staurococcura, Staurocromyum, Staurocyclia, Staurodictya, Staurodiscus, Staurodoras, Staurolonche, Staurolonchidium, Staurosphaera, Staurostylus, Staurotholonium, Staurotholus, Stauroxiphos, Steganocubus, Stephanastrum, Stephaniscus, Stephanium, Stephanolithis, Stephanophatna, Stephanospyris, Stichocampe, Stichocapsa, Stichocorys, Sticholonche, Stichomitra, Stichopera, Stichophaena, Stichophatna, Stichophormis, Stichopilium> >>

Stephanastrum capitatum Haeckel 1887

Stephanastrum quadratum Haeckel 1887

Stephanastrum rhombus Ehrenberg 1847

Stephanastrum

Citation: Stephanastrum Ehrenberg 1846
Taxonomic rank: genus
Type species: Stephanastrum rhombus Ehrenberg 1847 [only one valid species]
Described on page(s) : chart to p.385
Family (traditional): Spongodiscidae

Current identification/main database link: Stephanastrum


Original Description

Testae enucleatae c cellulis binis (longitudinaliter constrictae) aut e cellulis appositis multis coalitae (Effusae planae aut teretes et subglobosae). Testarum cellulae concentricae aut spirales, tenues plurimae, passim ordine nullo spongiosae. Testae radiatae in stellae formam abeuntes (spongiosae). Radiis vinculo cellulose, serti instar, apice coniunctis.


Translation:
Test enucleate, with two chambers (longitudinally constricted), or formed of many chambers grown together (spread in a plane or rounded and subglobose).

Chambers of test concentric or spiral, mostly delicate, spongy and irregular.

Test radiate, in a stellate form (spongy). Radii joined at the apex by a cellular band. (Translated from Latin by E.M.R. and W.R.R.)]

Etymology:
Greek stephanastrum = garland-starrulet"

Extra details from original publication

Sub-genera described:

References:

Ehrenberg, C. G. (1846). Uber eine halibiolithische, von Herrn R. Schomburgk entdeckte, vorherrschend aus mikroskopischen Polycystinen gebildete, Gebirgsmasse von Barbados. Bericht uber die zu Bekanntmachung geeigneten Verhandlungen der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1846: 382-385. gs


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Stephanastrum compiled by the radiolaria@mikrotax project team viewed: 21-5-2025

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