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

Larcidium octacanthum

Citation: Larcidium octacanthum Haeckel 1887
Rank: species
Type locality: LM16
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type repository: No information given
Described on page(s) : p.612

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Current identification:

Original Description
Cortical shell thorny, with irregular network; pores roundish, once to four times as broad as the bars; about thirteen to fifteen on the half meridian, eleven to thirteen on the half equator. Proportion of the three axes = 1: 2.5: 4. Medullary shell lentelliptical, one-fifth as large as the cortical, connected with it by eight radial beams, which are situated in two crossed diagonal planes (opposite in pairs), and are prolonged on the surface into eight long and thin cylindrical radial spines similar to Tetrapyle octacantha.

Size: Length of the cortical shell 0.16, breadth 0.11, thickness 0.045; pores 0.003 to 0.012, bars 0.003; medullary shell 0.02 to 0.03.

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 octacanthum compiled by the radiolaria@mikrotax project team viewed: 9-3-2021

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