CATALOG OF ORIGINAL DESCRIPTIONS: Larnacilla typus 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 -> Larnacilla -> Larnacilla typus
Other pages this level: L. medullaris, L. prometor, L. subglobosa, L. typus

Larnacilla typus

Citation: Larnacilla typus Haeckel 1887
Rank: species
Type locality: LM25
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type specimens: pl.50, fig.1-1b
Type repository: No information given
Described on page(s) : p.617

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Current identification:


Original Description
Cortical shell with smooth surface and with subregular network; pores twice as broad as the bars; about twelve pores on the half meridian, ten on the half equator. Proportion of the three dimensive axes = 2: 3: 4. Internal four gates (between transverse and lateral girdles) roundish-triangular, little broader than high. Medullary shell spherical, scarcely one-third as broad as the lentelliptical cortical shell.

Size: Length of the cortical shell (or principal axis) 0.13, breadth of it (or transverse axis) 0.1, height of it (or sagittal axis) 0.07; pores 0.006, bars 0.003; medullary shell (diameter) 0.03.

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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Larnacilla typus 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=262174 Go to Archive.is to create a permanent copy of this page - citation notes



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