CATALOG OF ORIGINAL DESCRIPTIONS: Alacorys guilelmi 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 -> Alacorys -> Alacorys guilelmi
Other pages this level: A. bismarckii, A. carcinus, A. dodecantha, A. enneacantha, A. friderici, A. gigas, A. guilelmi, A. hexacantha, A. hexapleura, A. lutheri, A. octacantha, A. polyacantha

Alacorys guilelmi

Citation: Alacorys guilelmi Haeckel 1887
Rank: species
Type locality: LM6
Type age (chronostrat): [presumably Quaternary]
Type specimens: pl.65, fig.2
Type repository: No information given
Described on page(s) : p.1372

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Current identification:

Original Description
Shell thorny, with distinct collar stricture. Length of the three joints = 1: 3: 4, breadth = 2: 5: 8. Cephalis hemispherical, with a rudimentary conical horn. Thorax hemispherical, spiny, with regular, circular pores. Abdomen wider, campanulate, papillate, with a small number of very large circular holes. Peristome with six diverging feet, which are about as long as the shell, at the base conical, thickened, and at the distal end curved inwards, with a spinulate knob. Dedicated to the German Emperor, Wilhelm.

Size: Length of the three joints, a 20, b 60, c 80µm; breadth, a 30, b 100, c 160µm.

Etymology: Dedicated to the German Emperor, Wilhelm.

Editors' Notes
Haeckel listed Alacorys guilelmi under the subgeneric name Hexalacorys and uses it in the other name Hexalacorys guilelmi in the figure description.[comment from RadWorld database]


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


Alacorys guilelmi compiled by the radiolaria@mikrotax project team viewed: 27-2-2021

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