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

Litharachnium pilidium

Citation: Litharachnium pilidium Haeckel 1887
Rank: species
Type locality: LM40
Type age (chronostrat): [presumably Quaternary]
Type repository: No information given
Described on page(s) : p.1164

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Current identification:

Original Description
Shell flat, hat-shaped, with S-shaped outlines, in the upper half convex, in the lower half concave. Apex with four equal crossed cortinar pores. Thirty primary ribs of equal size; four of them are the prolongations of the four cortinar beams, eight intercalate between these secondary, and the other eighteen tertiary. Between them very numerous peripheral beams. Margin broad horizontal, reflexed like the brim of a \ Bismarck \" hat.

Size: Shell 0.17 long, 0.38 broad."

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Litharachnium pilidium under the subgeneric name Litharachnoma, but did not include the subgeneric name in the species name.[comment from RadWorld database]


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

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