radiolaria - rads_cat - Trigonocyclia


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 -> Trigonocyclia
Other pages this level: << < Triactiscus, Triadiscus, Triastrum, Tribonosphaera, Triceraspyris, Tricolocampe, Tricolocapsa, Tricolospyris, Tricolpera, Tricorporisphaera, Tricranastrum, Tricyclidium, Tridictyopus, Trigonactura, Trigonastrum, Trigonocyclia, Trilampterium, Trilobatum, Trimanicula, Trimiduca, Triodiscus, Triolena, Triopyle, Triospyris, Triospyrium, Triostephus, Tripilidium, Triplagia, Triplagiacantha, Triplecta, Tripleurium> >>

Trigonocyclia prima Petrushevskaya & Kozlova 1972
= Trigonocyclia prima
Trigonocyclia triangularis Haeckel 1887


Citation: Trigonocyclia Haeckel 1887
Rank: genus
Described on page(s) : 464
Family (traditional): Coccodiscidae

Current identification/main database link: Trigonocyclia Haeckel 1887

Original Description
Coccodiscida with three solid radial spines on the margin of the circular disk. Medullary shell simple.

The genus Trigonocyclia (only known by one single species, once observed) bears on the margin of the chambered disk three solid radial spines, at equal distances one from another. It corresponds to the genus Tripodictya amongst the Porodiscida.

Etymology: Greek trigonocyclia = triangular shell with circular rings"

Editors' Notes
Junior objective synonym of Tripodydlia Haeckel, 1881a


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 year 1873-1876, Zoology. 18: 1-1803. gs


Trigonocyclia compiled by the radiolaria@mikrotax project team viewed: 7-12-2021

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