radiolaria - rads_cat - Archicircus rhombus radiolaria - rads_cat - Archicircus rhombus

CATALOG OF ORIGINAL DESCRIPTIONS: Archicircus rhombus 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 -> A -> Archicircus -> Archicircus rhombus
Other pages this level: A. duodenus, A. ellipsis, A. hertwigii, A. hexacanthus, A. monopylus, A. monostephus, A. ovalis, A. primordialis, A. princeps, A. quadratus, A. rhombus, A. sexangularis, A. triglyphus

Archicircus rhombus

Citation: Archicircus rhombus Haeckel 1887
taxonomic rank: species
Described on page(s) : p.942
Type specimens: pl.81, fig.7
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type locality: LM12
Type repository: No information given

Current identification:

Original Description

Gate rhombic. Ring rhombic, with four prominent edges and four pairs of short, divergent, pyramidal spines on the four corners, arising from the lateral edges of the four rods, about as long as the radius of the gate.

Diameter of the gate 0.04 to 0.08; thickness of the ring 0.007 to 0.01.

Editors' Notes
Haeckel listed Archicircus rhombus under the subgeneric name Archistephus, 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 years 1873-1876. 18: 1-1803. gs O


Archicircus rhombus compiled by the radiolaria@mikrotax project team viewed: 21-5-2024

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