radiolaria - rads_cat - Litharachnium epeira

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

Litharachnium epeira

Citation: Litharachnium epeira Haeckel 1887
Rank: species
Type specimens: pl.55, fig.9
Type repository: No information given
Described on page(s) : p.1164
Family (traditional): Theoperidae
Family (modern): Acropyramiidae

Current identification:

Original Description
Shell flatly conical or tent-shaped, with concave lateral outlines. Apex with three unequal cortinar pores. Twelve stronger radial primary ribs complete; between them numerous (twenty four to thirty-six) thinner secondary, and very numerous (more than one hundred) tertiary ribs. Margin reflexed, like the curved brim of a hat.

Shell 0.12 long, 0.27 broad.

Editors' Notes
Haeckel listed Litharachnium epeira 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 epeira compiled by the radiolaria@mikrotax project team viewed: 6-12-2021

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