CATALOG OF ORIGINAL DESCRIPTIONS: Acrocubus arcuatus 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 -> Acrocubus -> Acrocubus arcuatus
Other pages this level: A. amphistylus, A. amphithectus, A. arcuatus, A. brachiatus, A. cortina, A. lasanum, A. octopylus, A. tesseralis, A. tetrapodius

Acrocubus arcuatus

Citation: Acrocubus arcuatus Haeckel 1887
Rank: species
Type locality: LM17
Type age (chronostrat): [presumably Quaternary, though some forms reported from these stations appear to be Tertiary]
Type specimens: pl.93, fig.15
Type repository: No information given
Described on page(s) : p.993

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Current identification:


Original Description
Mitral and basal rings, as well as the sagittal ring, of the same form as in the preceding nearly allied species. The two lateral columellae are prolonged not only downwards into two short, vertical feet, but also upwards into two curved bows, which are united in a vertical ascending horn, arising from the apical pole of the sagittal ring.

Size: Diameter of the cube 0.14; total height 0.21.

Editors' Notes
Haeckel listed Acrocubus arcuatus under the subgeneric name Diplocubus, but did not include the subgeneric name in the species name.

The \preceding nearly allied species\" refers to Acrocubus amphisytlus Haeckel 1887a.

see also p.891: It is clear from the family discussion ofTympanida (pp.987-990) that Haeckel meant to assign the following key to the letters not mentioned in the explanation of p.891; q = frontal or lateral ring; s = horizontal basal ring; m = horizontal mitral ring. The inverted \"a\" is used indiscrimately by Haeckel with no explanation."[comment from RadWorld database]

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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Acrocubus arcuatus compiled by the radiolaria@mikrotax project team viewed: 24-1-2021

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