CATALOG OF ORIGINAL DESCRIPTIONS: Trochodiscus 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 -> T -> Trochodiscus
Other pages this level: << < Tripodocyrtis, Tripodonium, Tripodosypris, Tripophaenoscenium, Tripospyris, Triprionium, Tripterocalpis, Trisolenia, Trissocircus, Trissocyclus, Trissopilium, Tristephanium, Tristylospyris, Trisulcus, Trizonium, Trochodiscus, Trypanosphaera, Tubosphaera, Tympanidium, Tympaniscus, Tympanium

Trochodiscus accomodatus Moksyakova 1970

Trochodiscus aculeatus Borisenko 1958

Trochodiscus aculeatus [homonym] Moksyakova 1965

not figuredTrochodiscus cenophacus Haeckel 1887

not figuredTrochodiscus cingillum Haeckel 1887

Trochodiscus concentricus Borisenko 1960

Trochodiscus decoratus Borisenko 1958

Trochodiscus dilatatus Moksyakova 1970

not figuredTrochodiscus echiniscus Haeckel 1887

Trochodiscus exilis Krasheninnikov 1960

Trochodiscus exornatus Krasheninnikov 1960

Trochodiscus extensus Moksyakova 1970

Trochodiscus helioides Cleve 1900

Trochodiscus hoplites Lipman 1953

not figuredTrochodiscus medusinus Haeckel 1887

not figuredTrochodiscus odontotrochus Haeckel 1887

Trochodiscus paleogenicus Lipman et al. 1960

Trochodiscus sagittipotens Krasheninnikov 1960

not figuredTrochodiscus solaris Haeckel 1887

Trochodiscus spiniger Lipman 1952

Trochodiscus spinosus [homonym] Borisenko 1958

Trochodiscus splendidus Lipman 1949

Trochodiscus stellaris Haeckel 1887

Trochodiscus

Citation: Trochodiscus Haeckel 1887
Rank: genus
Type species: Trochodiscus cenophacus Haeckel 1887 [designated by Campbell,1954, p.D77]
Described on page(s) : 417
Family (traditional): not-known

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Current identification:


Original Description
Cenodiscida with numerous (ten to twenty or more) radial spines on the margin of the disk, situated in its equatorial plane.

The genus Trochodiscus bears on the thin margin of the latticed disk a variable number of radial spines (commonly ten to twenty, sometimes fifty to eighty or more). Their size and disposition are commonly more or less irregular. For the most part all the marginal spines lie in the equatorial plane; but sometimes part of them are crowded into two or four parallel girdles. Several species of this genus are very similar to some species of Heliodiscus, and only differ in the absence of the medullary shell, perhaps in consequence of the phylogenetic loss of it; if this be the case, the former are to be derived from the latter (compare p. 410).

Etymology: Greek trochodiscus = wheel-disk"

Extra details from original publication

Sub-genera described:

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


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

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