radiolaria - rads_cat - Cromyocarpus quadrifarius <title>radiolaria - rads_cat - Cromyocarpus quadrifarius

CATALOG OF ORIGINAL DESCRIPTIONS: Cromyocarpus quadrifarius 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 -> C -> Cromyocarpus -> Cromyocarpus quadrifarius
Other pages this level: C. echinatus, C. kenemechensis, C. ovalis, C. ovatus, C. quadrifarius, C. spinosus

Cromyocarpus quadrifarius

Citation: Cromyocarpus quadrifarius Haeckel 1887
Rank: species
Described on page(s) : p.318
Type age (chronostrat): [Quaternary]
Type locality: LM2
Type repository: No information given

Current identification: Cromyocarpus quadrifarivus

Original Description

Shell composed of four concentric shells, two ellipsoidal cortical shells, and two spherical medullary shells. Proportion of their main axes = 10: 8: 3: 2. Pores of the two cortical shells irregular, roundish, twice to four times as broad as the bars. Pores of the two medullary shells subregular, circular, about the same size as the bars. Outer surface covered with numerous conical radial spines, about half as long as the main axis, half as broad at the base as the inner most shell.


Major axis of the outer cortical shell 0.2, of the inner 0.15; equatorial axis of the former 0.16, of the latter 0.12; diameter of the outer medullary shell 0.06, of the inner 0.04; pores of the cortical shells 0.01 to 0.02, of the medullary shells 0.004 to 0.008, bars 0.003 to 0.006; length of the radial spines 0.1, basal breadth 0.02.


Extra details from original publication

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


Haeckel, E (1887a). 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


Cromyocarpus quadrifarius compiled by the radiolaria@mikrotax project team viewed: 30-1-2023

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