radiolaria - rads_cat - Larcospira radiolaria - rads_cat - Larcospira


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.

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Larcospira bulbosa Goll & Bjørklund 1989
= Larcospira bulbosa
not figuredLarcospira lentelliptica Haeckel 1887

Larcospira moschkovskii Kruglikova 1978
= Larcospira moschkovskii
Larcospira oliva Haeckel 1887

Larcospira quadrangula Haeckel 1887
= Larcospira quadrangula
not figuredLarcospira sexangula Haeckel 1887

Larcospira teres Zhang & Suzuki 2017

Larcospira tetragonicentrum Zhang & Suzuki 2017


Citation: Larcospira Haeckel 1887
taxonomic rank: genus
Type species: Larcospira quadrangula Haeckel 1887 [designated by Campbell,1954, p.D100]
Described on page(s) : 695

Current identification/main database link: Larcospira Haeckel 1887

Original Description

Lithelida with double, trizonal, or Larnacilla-shaped medullary shell; cortical shell subspherical or lentelliptical, constructed of a simple or double spiral of the transverse girdle (or primary cortical girdle); the spiral lamella revolving around the principal axis.

From the Greek larcospira = spiral basket

Extra details from original publication
The genus Larcospira begins the interesting series of the Larcospirida, or of those Lithelida in which the medullary shell is formed by a trizonal or Larnacilla-shaped lattice-shell, and the cortical shell by spiral turnings of one of the three girdles, which compose the cortical shell of the Pylonida. In Larcospira, as the oldest and most simple form of Larcospirida, the spiral is formed by the transverse girdle, or the first girdle of the Diplozonaria, the only cortical girdle of Amphipyle. If in this genus one of both wings of the transverse girdle grow stronger than the other and overgrow the latter, turning around the principal axis, we reach the characteristic form of Larcospirema, the first subgenus of Larcospira; but if afterwards the second wing follow the example of the first, and overgrow it from the other side, we reach the typical form of the second subgenus, Larcospironium. In this latter subgenus the spiral becomes double, whilst in the former it remains simple.
[In the definition of Spironium, Haeckel introduces the new name Larcopyle. We assume he means Larcospira and consider Larcopyle Haeckel, 1887a, p.701 as a junior objective synonym of Larcospira Haeckek, 1887a, p.695]
Sub-genera described:


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


Larcospira compiled by the radiolaria@mikrotax project team viewed: 13-6-2024

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