radiolaria - rads_cat - Heliodiscus sulcatus radiolaria - rads_cat - Heliodiscus sulcatus

CATALOG OF ORIGINAL DESCRIPTIONS: Heliodiscus sulcatus 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 sulcatus
Other pages this level: << < H. inca, H. lentis, 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 sulcatus

Citation: Heliodiscus sulcatus Haeckel 1887
taxonomic rank: species
Described on page(s) : p.449
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 subregular, circular; twelve to fifteen on the radius. Equatorial girdle as broad as the medullary shell, in the whole breadth radially striped, on the margin with ten to fifteen triangular, deeply sulcated teeth, about as long and broad as the medullary shell. (Similar to Heliodiscus glyphodon Pl. 35, fig. 2, but with broad sulcated girdle and shorter, more numerous spines.)

Diameter of the disk 0.15 to 0.2, of the medullary shell 0.04 to 0.05; length (if the radial spines 0.05 to 0.06, basal breadth 0.04 to 0.05. [dimensions in mm]

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Heliodiscus sulcatus under the subgeneric name Heliodiscomma, 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 sulcatus compiled by the radiolaria@mikrotax project team viewed: 23-7-2024

Taxon Search:
Advanced Search

Short stable page link: Go to to create a permanent copy of this page - citation notes

Add Comment

* Required information
Captcha Image
Powered by Commentics


No comments yet. Be the first!