radiolaria - rads_cat - Heliodiscus marginatus radiolaria - rads_cat - Heliodiscus marginatus

CATALOG OF ORIGINAL DESCRIPTIONS: Heliodiscus marginatus 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 marginatus
Other pages this level: H. apollinis, H. asteriscoides, H. asteriscus, H. charlestonensis, H. cingillium brevispina, H. cingillum, H. cingillum brevispina, H. echiniscus, H. glyphodon, H. grottensis, H. heliasteriscus, H. hexasteriscus, 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> >>

Heliodiscus marginatus

Citation: Heliodiscus marginatus Haeckel 1887
taxonomic rank: species
Described on page(s) : p.449
Type specimens: pl.34, fig.9
Type repository: No information given
Family (traditional): Heliodiscidae
Family (modern): Heliodiscidae

Current identification:


Original Description

Disk with smooth surface, three times as broad as the medullary shell. Pores regular, circular; nine to ten on the radius. Equatorial girdle one-fourth to one-half as broad as the medullary shell, in the whole breadth radially striped, on the margin with twelve to eighteen very short and broad, triangular, marginal spines.

Diameter of the disk 0.15 to 0.2, of the medullary shell 0.05 to 0.06; length of the marginal spines 0.01 to 0.02, basal breadth 0.02. [dimensions in mm]

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

Stratigraphic information for LM68 from Riedel, 1959, p.287.

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 years 1873-1876. 18: 1-1803. gs O

Riedel, W. R. (1959a). Oligocene and Lower Miocene Radiolaria in tropical Pacific sediments. Micropaleontology. 5(3): 285-302. gs


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Heliodiscus marginatus compiled by the radiolaria@mikrotax project team viewed: 30-5-2024

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