radiolaria - rads_cat - Heliodiscus grottensis radiolaria - rads_cat - Heliodiscus grottensis

CATALOG OF ORIGINAL DESCRIPTIONS: Heliodiscus grottensis Stöhr 1880

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 grottensis
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> >>

Heliodiscus grottensis

Citation: Heliodiscus grottensis Stöhr 1880
taxonomic rank: species
Described on page(s) : p.89
Type specimens: pl.1, fig.13
Type repository: No information given
Family (traditional): Heliodiscidae
Family (modern): Heliodiscidae

Current identification:


Original Description

Die Stacheln an der Aequatorialebene der linsenförmigen Rindenschale sind nicht gleichmässig vertheilt; konische Stacheln, die öfters sich verästeln und oft 1/5 der Länge des Schalendurchmessers erreichen. Die Rindenschale 2 ½ mal so gross als die Markschale, ihre rundlichen Maschen nicht ganz gleich, die grössten 1/18 des Schalendurchmessers, die kleinsten 1/50.
[The spines on the equatorial plane of the lenticular shell irregularly distributed, conical, very often branched, and often as long as 1/5 of the long axis of the cortical shell. Cortical shell 2 ½ times as large as the medullary shell, round irregular pores, the big ones as large as 1/18 of the diameter of the shell, the small ones 1/50. (Translation from German by J.P.C.)]

Cortical shell 170µm, medullary shell 70µm, big pores from 3 to 10µm, length of spines 40µm.

Etymology:
Named after the city of Grotte, Italy.

Editors' Notes
Premature name in Stöhr, 1878 [2713:515]

References:

Stöhr, E. (1880). Die Radiolarienfauna der Tripoli von Grotte, Provinz Girgenti in Sicilien. Palaeontographica. 6(4): 71-121. gs


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Heliodiscus grottensis compiled by the radiolaria@mikrotax project team viewed: 21-7-2024

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