radiolaria - rads_cenozoic - Nephrospyris docris radiolaria - rads_cenozoic - Nephrospyris docris

Nephrospyris docris


Classification: rads_cenozoic -> Trissocyclidae -> Trissocyclidae inc sed -> Nephrospyris -> Nephrospyris docris
Sister taxa: N. docris, N. knutheieri, N. pervia, N. renilla, N. sp.

Taxonomy

Citation: Nephrospyris docris Renz 1976
taxonomic rank: species
Basionym: Nephrospyris docris Renz 1976
Synonyms:

From Suzuki Paleotax db:

1976 Nephrospyris docris n. sp. Renz p. 175, pl. 8, fig. 17
1999 Nephrospyris docris Renz Tan & Chen p. 282, text-fig. 5.202
2003 Nephrospyris docris Renz Tan & Su p. 105-106, text-fig. 84

Catalog entries: Nephrospyris docris

Original description: Description: Shell heart-shaped, about as long as broad. Sagittal ring with 6 pairs of branching bars. Constriction at the sagittal ring about 1/5 as long as the shell. Lacks marginal girdle and arachnoidal framework. All meshes simple.

Dimensions: (3 specimens) length sagittal ring: 68-80 p, Md 68; length overall: 264-284 µ, Md 272; breadth: 268-300 µ, Md 276.

Type locality: 11°N, 155°W, plankton, 125-200 m.

Remarks: This species is most closely related to N. paradictyum Haeckel and differs from it in that it is much smaller and lacks a marginal girdle and arachnoidal framework. The specific name docris is an anagram of the word cordis meaning heart.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source:
First occurrence (base): within Recent modern (0.00-0.00Ma, base in "Holocene" stage). Data source:

Plot of occurrence data:

References:

Renz, G. W. (1976). The distribution and ecology of Radiolaria in the central Pacific: plankton and surface sediments. Bulletin of the Scripps Institution of Oceanography. 22: 1-267. gs


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Nephrospyris docris compiled by the radiolaria@mikrotax project team viewed: 11-9-2024

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=206393 Go to Archive.is to create a permanent copy of this page - citation notes



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