CATALOG OF ORIGINAL DESCRIPTIONS: Larnacalpis triaxonia 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 -> Larnacalpis -> Larnacalpis triaxonia
Other pages this level: L. lentellipsis, L. macrococcus, L. macropora, L. phacodiscus, L. smili, L. subsphaerica, L. triaxonia

Larnacalpis triaxonia

Citation: Larnacalpis triaxonia 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.3
Type repository: No information given
Described on page(s) : p.621

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Current identification:


Original Description
Cortical shell with smooth surface and peculiar network, composed of four meridian rows of larger pores (five large elliptical pores on each half meridian, the largest in the equator) and numerous small irregular pores between them. Proportion of the three axes = 2: 3: 4. Medullary shell with four semicircular internal gates, about one-fourth as large as the cortical, connected with it by six thin radial beams, opposite in pairs in the three dimensive axes.

Size: Length of the cortical shell 0.14, breadth 0.1, height 0.07; large pores 0.03, small pores 0.002 to 0.01, bars 0.002 to 0.01; length of the medullary shell 0.04, breadth 0.03, height 0.02.

References:

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


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Larnacalpis triaxonia compiled by the radiolaria@mikrotax project team viewed: 27-2-2021

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=262184 Go to Archive.is to create a permanent copy of this page - citation notes



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