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 -> T -> Triostephus
Other pages this level: << < Tricranastrum, Tricyclidium, Tridictyopus, Trigonactura, Trigonastrum, Trigonocyclia, Trilampterium, Trilobatum, Trimanicula, Trimiduca, Triodiscus, Triolena, Triopyle, Triospyris, Triospyrium, Triostephus, Tripilidium, Triplagia, Triplagiacantha, Triplecta, Tripleurium, Tripocalpis, Tripocyclia, Tripocyrtis, Tripodictya, Tripodiscinus, Tripodiscium, Tripodiscus, Tripodocyrtis, Tripodonium, Tripodosypris> >>


Citation: Triostephus Haeckel 1882
Rank: genus
Type species: Tristephanium dimensivum Haeckel 1887 [designated by Campbell,1954, p.D108]
Described on page(s) : 445

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Current identification:

Original Description
1b. Tribus: Acanthodesmida. Annulis sagittali et laterali incompleto, basali completo (Annuli primarii parte basali perdito lumen tertiarii simplex restat).
A. annulis laevibus.

Translation: 1b. Tribe: Acanthodesmida. With sagittal and lateral rings incomplete, and the basal ring complete (the basal part of the primary ring is lost, and the aperture of the tertiary ring remains simple).
A. With rings smooth . (Translated from Latin by E.M.R. and W.R.R.)]

Extra details from original publication

Sub-genera described:


Haeckel, E. (1882). Entwurf eines Radiolarien-Systems auf Grund von Studien der Challenger-Radiolarien [Basis for a radiolarian classification from the study of Radiolaria of the Challenger collection]. Jenaische Zeitschrift für Naturwissenschaft. 15: 418-472. gs


Triostephus compiled by the radiolaria@mikrotax project team viewed: 19-4-2021

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