radiolaria - rads_cat - Theocyrtis macroceros radiolaria - rads_cat - Theocyrtis macroceros

CATALOG OF ORIGINAL DESCRIPTIONS: Theocyrtis macroceros 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 -> T -> Theocyrtis -> Theocyrtis macroceros
Other pages this level: T. aculeata, T. ampla, T. andriashevi, T. careotuberosa, T. diabloensis, T. hirta, T. macroceros, T. mugaicus, T. perpumila, T. perysinos, T. proserpinae, T. ptychodes, T. redondoensis, T. setanios, T. triapenna, T. trimembris, T. tuberosa, T. turris

Theocyrtis macroceros

Citation: Theocyrtis macroceros Haeckel 1887
taxonomic rank: species
Described on page(s) : p.1407
Type specimens: pl.69, fig.13
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type locality: LM191; LL23
Type repository: No information given

Current identification:

Original Description

Shell almost cylindrical, smooth. Length of the three joints = 1: 2: 5, breadth = 2: 3: 4. Cephalis hemispherical, with a very large cylindrical horn, once or twice as long as the shell. Thorax truncate, hemispherical. Abdomen cylindrical, only slightly contracted towards both ends. Two girdle strictures deep. Pores small, subregular, circular, more irregular and twice to three times as large in the abdomen as in the thorax, disposed in transverse rows, five to six in the thorax, eight to ten in the abdomen.

Length of the three joints, a 0.02 to 0.03, b 0.04 to 0.05, c 0.1 to 0.12; breadth, a 0.04, b 0.07, c 0.08.

Editors' Notes
Haeckel listed Theocyrtis macroceros under the subgeneric name Theocorusca, but did not include the subgeneric name in the species name.[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 years 1873-1876. 18: 1-1803. gs O


Theocyrtis macroceros compiled by the radiolaria@mikrotax project team viewed: 22-7-2024

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