radiolaria - rads_cat - Sethoconus orthoceras radiolaria - rads_cat - Sethoconus orthoceras

CATALOG OF ORIGINAL DESCRIPTIONS: Sethoconus orthoceras 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 -> S -> Sethoconus -> Sethoconus orthoceras
Other pages this level: S. anthocyrtis, S. bimarginatus, S. conicus, S. crinitus, S. dogieli, S. facetus, S. galea, S. hexagonalis, S. hyalinus, S. lophophaena, S. martini, S. myxobrachia, S. orthoceras, S. parvus, S. pileus, S. rayianus, S. reschetnjakae, S. setosus, S. subtilis, S. venosus, S. virgultus, S. woodfordi, S. woodfordi advena

Sethoconus orthoceras

Citation: Sethoconus orthoceras Haeckel 1887
taxonomic rank: species
Described on page(s) : p.1294
Type repository: No information given
Family (traditional): Theoperidae
Family (modern): Acropyramiidae

Current identification:

Original Description

Cephalis very small, conical, hyaline, without pores, with a double internal stricture, and a very short, rudimentary horn. Thorax slenderly conical, with undulate outlines, three to four times as long as broad, with subregular, roundish pores, gradually increasing in size towards the mouth.

Cephalis 0.02 long, 0.01 broad; thorax 0.16 long, 0.04 to 0.08 broad. [dimensions in mm]

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Sethoconus orthoceras under the subgeneric name Cornutellium , but did not include the subgeneric name in the species name.
Synonymized with Cornutella profunda Ehrenberg by Nigrini, 1967]


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

Nigrini, C. A. (1967). Radiolaria in pelagic sediments from the Indian and Atlantic Oceans. Bulletin of the Scripps Institution of Oceanography. 11: 1-125. gs


Sethoconus orthoceras compiled by the radiolaria@mikrotax project team viewed: 25-6-2024

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