CATALOG OF ORIGINAL DESCRIPTIONS: Amphicyclia amphistyla 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 -> A -> Amphicyclia -> Amphicyclia amphistyla
Other pages this level: A. amphistyla, A. bispina, A. chronometra, A. pachydiscus, A. pentaspina, A. quadrispina, A. trispina

Amphicyclia amphistyla

Citation: Amphicyclia amphistyla Haeckel 1887
Rank: species
Type locality: LM185
Type age (chronostrat): Recent
Type specimens: pl.37, fig.7
Type repository: No information given
Described on page(s) : p.464

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Current identification:

Original Description
Phacoid shell thin walled, two and a half times as broad as the outer and seven times as broad as the inner medullary shell, divided by eighty to ninety radial beams into irregular chambers, which are stratified in four to five floors. Pores regular, circular; eight to nine on the radius of the phacoid shell, two on the breadth of each chamber. Both marginal spines cylindrical.

Size: Diameter of the disk (with seven rings) 270µm, of the phacoid shell 100µm, outer medullary shell 40µm, inner 14µm.


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


Amphicyclia amphistyla compiled by the radiolaria@mikrotax project team viewed: 17-5-2021

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