CATALOG OF ORIGINAL DESCRIPTIONS: Larcidium axacanthum 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 -> Larcidium -> Larcidium axacanthum
Other pages this level: L. axacanthum, L. dissacanthum, L. dodecanthum, L. etroplus, L. hexacanthum, L. octacanthum, L. polyacanthum

Larcidium axacanthum

Citation: Larcidium axacanthum Haeckel 1887
Rank: species
Type repository: No information given
Described on page(s) : p.611
Family (traditional): Litheliidae
Family (modern): Larnacillidae

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Current identification:

Original Description
Cortical shell with rough surface and irregular network; pores roundish, twice to four times as broad as the bars; about fifteen to nineteen on the half meridian, twelve to fourteen on the half equator. Proportion of the three axes = 2: 3: 4. Medullary shell lentelliptical, of the same form and structure as the cortical, but only one-third as large, connected with it by six thin radial beams, lying in pairs in the three dimensive axes; on the outside they are prolonged into six strong conical radial. spines, which are in pairs of different size (as in Larcarium axostylum); the length of each spine nearly equals the axis of the cortical shell, of which it is the prolongation.

Length of the cortical shell (and the principal spines) 0.18, breadth of it (and length of the lateral spines) 0.135, thickness of it (and length of the sagittal spines) 0.09 pores 0.005 to 0.013, bars 0.003.

Editors' Notes
There was no illustration of this species in Haeckel (1887)


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


Larcidium axacanthum compiled by the radiolaria@mikrotax project team viewed: 7-3-2021

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