CATALOG OF ORIGINAL DESCRIPTIONS: Phrenocodon clathrostomium 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 -> Phrenocodon -> Phrenocodon clathrostomium
Other pages this level: P. clathrostomium, P. diaphragma

Phrenocodon clathrostomium

Citation: Phrenocodon clathrostomium Haeckel 1887
Rank: species
Type locality: LM28
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type specimens: pl.70, figs.7,8
Type repository: No information given
Described on page(s) : p.1434

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Current identification/main database link: Phrenocodon clathrostomium Haeckel 1887

Original Description
Shell campanulate-conical, with two deep strictures. Length of the three joints = 2: 6: 3, breadth = 3: 10: 14. Cephalis hemispherical, with an oblique curved horn of the same length. Thorax subconical, with polygonal, roundish pores, increasing in size towards the girdle. A perfect fenestrated diaphragm, with irregular, roundish pores of very different sizes, separates the thorax from the abdomen. The latter is composed of three parallel, circular rings, which are connected by fifteen to twenty radial beams. As the middle ring is larger than the two others, the beams between the large quadrangular pores are divergent in the upper, convergent in the lower girdle. Short prolongations of the divergent beams form a coronal around the middle ring (compare fig. 7 profile, fig. 8 from below).

Size: Length of the three joints, a 0.02, b 0.06, c 0.03; breadth, a 0.03, b 0.1, c 0.14.


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


Phrenocodon clathrostomium compiled by the radiolaria@mikrotax project team viewed: 13-5-2021

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