CATALOG OF ORIGINAL DESCRIPTIONS: Litharachnium araneosum 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 -> L -> Litharachnium -> Litharachnium araneosum
Other pages this level: L. araneosum, L. discoides, L. epeira, L. permagnum, L. pilidium, L. tentorium

Litharachnium araneosum

Citation: Litharachnium araneosum Haeckel 1887
Rank: species
Type specimens: pl.55, figs.8,10
Type repository: No information given
Described on page(s) : p.1163
Family (traditional): Theoperidae
Family (modern): Acropyramiidae

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Current identification:

Original Description
Shell flatly conical, nearly discoidal, with straight lateral outlines. Apex with three unequal cortinar pores (one odd smaller sternal and two paired larger cardinal pores). Twenty radial ribs at unequal distances, with numerous intercalated secondary ribs. Margin ciliate.

Shell 0.18 long, 0.32 broad.

Etymology: Latin araneosus -a -um = similar to spider net

Editors' Notes
Haeckel listed Litharachnium araneosum under the subgeneric name Litharachnidium, 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 year 1873-1876, Zoology. 18: 1-1803. gs


Litharachnium araneosum compiled by the radiolaria@mikrotax project team viewed: 17-5-2021

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