CATALOG OF ORIGINAL DESCRIPTIONS: Larnacantha prismatica 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 -> Larnacantha -> Larnacantha prismatica
Other pages this level: L. bicruciata, L. cladacantha, L. decacantha, L. dissacantha, L. dodecantha, L. drymacantha, L. hexacantha, L. octacantha, L. polyacantha, L. prismatica, L. quadricornis, L. stauracantha

Larnacantha prismatica

Citation: Larnacantha prismatica Haeckel 1887
Rank: species
Type locality: LM16
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type specimens: pl.50, fig.6
Type repository: No information given
Described on page(s) : p.623

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Current identification/main database link:

Original Description
Cortical shell smooth, four-sided prismatic, with eight short, parallel, three-sided pyramidal spines; these lie opposite in pairs in four parallel longitudinal lines, as prolongations of the four lateral edges of the prism, and arise from its eight corners. Pores regular, circular, three times as broad as the bars; about fourteen on the half meridian. Proportion of the three axes = 2: 3: 4. Medullary shell half as long as the cortical shell.

Size: Length of the cortical shell 0.11, breadth 0.07, height 0.05; pores 0.006, bars 0.002; length of the medullary shell 0.06.


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


Larnacantha prismatica compiled by the radiolaria@mikrotax project team viewed: 16-1-2021

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