radiolaria - rads_cat - Phormocyrtis quadrata radiolaria - rads_cat - Phormocyrtis quadrata

CATALOG OF ORIGINAL DESCRIPTIONS: Phormocyrtis quadrata 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 -> P -> Phormocyrtis -> Phormocyrtis quadrata
Other pages this level: P. alexandrae, P. annosa, P. bucharica, P. carinata, P. costata, P. ligulata, P. longicornis, P. proxima, P. quadrata, P. striata, P. striata praexquisita, P. vasculum

Phormocyrtis quadrata

Citation: Phormocyrtis quadrata Haeckel 1887
taxonomic rank: species
Described on page(s) : p.1369
Type age (chronostrat): [presumably Quaternary]
Type locality: LM13
Type repository: No information given

Current identification:

Original Description

Shell ovate, papillate, with two slight strictures. Length of the three joints = 2: 3: 13, breadth = 4: 6: 11. Cephalis hemispherical, small, with two divergent, pyramidal horns of twice the length. Along the hemispherical thorax and the ovate inflated abdomen run twenty-four to thirty curved ribs, converging towards the two poles, and alternate with the same number of longitudinal rows of circular, regular pores, disposed in ten to twelve transverse rows. Each pore with a square, elevated frame. Mouth constricted, only one-third as broad as the thorax.

Length of the three joints, a 0.02, b 0.03, c 0.13; breadth, a 0.04, b 0.06, c 0.11.

Editors' Notes
There was no illustration of this species in Haeckel (1887)


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


Phormocyrtis quadrata compiled by the radiolaria@mikrotax project team viewed: 25-2-2024

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