CATALOG OF ORIGINAL DESCRIPTIONS: Arachnosphaera increscens 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 -> Arachnosphaera -> Arachnosphaera increscens
Other pages this level: A. dichotoma, A. dolichacantha, A. hexasphaera, A. increscens, A. irregularis, A. myriacantha, A. oligacantha, A. tenuissima, A. velaris

Arachnosphaera increscens

Citation: Arachnosphaera increscens Haeckel 1887
Rank: species
Type repository: No information given
Described on page(s) : p.269
Family (traditional): Actinommidae
Family (modern): Astrosphaeridae

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Current identification:

Original Description
Innermost shell with regular, hexagonal meshes; its diameter three times as long as the distance between it and the second shell, quite as long as the distance between the fifth and sixth shells; the distances between the concentric shells gradually increasing from the centre. Radial spines about fifty to sixty, each with six to eight verticils.

Diameter of the innermost shell (A) 0.75; distances between the following shells - A, B=0.025, B, C=0.037, C, D=0.05, D, E=0.062, E, F=0.075, &c.

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Arachnosphaera increscens under the subgeneric name Arachnosphaerella , but did not include the subgeneric name in the species name. Dimensions in millimeters]


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


Arachnosphaera increscens compiled by the radiolaria@mikrotax project team viewed: 15-4-2021

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