radiolaria - rads_cat - Heliodiscus trochiscus radiolaria - rads_cat - Heliodiscus trochiscus

CATALOG OF ORIGINAL DESCRIPTIONS: Heliodiscus trochiscus 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 -> H -> Heliodiscus -> Heliodiscus trochiscus
Other pages this level: << < H. linckiaformis, H. marginatus, H. ninae, H. pentasteriscus, H. perplexus, H. pertusus, H. polymorphus, H. quadratus, H. saturnalis, H. saturnalis [junior homonym], H. saturnalis jh, H. siculus, H. solaster, H. sulcatus, H. trigonodon, H. trochiscus, H. tunicatus, H. zoroaster, H. furcatus, H. setosus

Heliodiscus trochiscus

Citation: Heliodiscus trochiscus Haeckel 1887
taxonomic rank: species
Described on page(s) : p.445
Type specimens: pl.34, figs.10,13
Type repository: No information given
Family (traditional): Heliodiscidae
Family (modern): Heliodiscidae

Current identification:

Original Description

Disk with smooth surface, four times as broad as the medullary shell. Pores regular, circular; fourteen to sixteen on the radius. Marginal spines twelve to sixteen, conical, of variable size and disposition, the largest as long as the diameter of the medullary shell, twice as broad as one pore.

Diameter of the disk 0.2, of the medullary shell 0.05; length of the radial spines 0.01 to 0.025, basal breadth 0.005. [dimensions in mm]

Editors' Notes
Haeckel listed Heliodiscus trochiscus under the subgeneric name Heliodiscetta, but did not include the subgeneric name in the species name.


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


Heliodiscus trochiscus compiled by the radiolaria@mikrotax project team viewed: 20-4-2024

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