radiolaria - rads_cenozoic - Cryptocarpium ornatum

Cryptocarpium ornatum


Classification: rads_cenozoic -> Carpocaniidae -> Cryptocarpium -> Cryptocarpium ornatum
Sister taxa: C. azyx, C. ornatum, C. sp.

Taxonomy

Citation: Cryptocarpium ornatum (Ehrenberg 1873)
Rank: species
Basionym: Cryptoprora ornata

Taxonomic discussion:
(Ehrenberg) 1873; 1875; Sanfilippo and Riedel 1992

Catalog entries: Cryptoprora ornata

Original description: [First segment campanulate (including the cephalis without stricture ?). Second segment, separated by a slight stricture, a porous membrane passing into numerous, contiguous, truncate laminae. Pores separated, in quincuncial rows. Total length 72 µ, of the first segment 37 µ. Approximately 5 pores in 23 µ.

Related to C. polypterae from Zanzibar, but a different form with appendages hidden by a porous membrane. (Translated from Latin by E.M.R. and W.R.R.)]

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Paleogene Period (23.03-66.04Ma, top in Chattian stage). Data source: Lazarus et al. 2015 - "P age group"
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Lazarus et al. 2015 - "P age group"

Plot of occurrence data:

References:

Ehrenberg, C. G. (1873a). Grössere Felsproben des Polycystinen-Mergels von Barbados mit weiteren Erläuterungen. Monatsberichte der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1873: 213-263. gs

Ehrenberg, C. G. (1876). Forsetzung der Mikrogeologischen Studien als Gesammt Ubersicht der mikroskopischen Palaontologie gleichartig analysierter Gebiegsarten der Erde, mit specieller Rucksicht aus den Polycystinen Mergel von Barbados. Abhandlungen der Koniglichen Akademie der Wissenschaften zu Berlin, Physikalische Kl. 1875: 1-226. gs

Sanfilippo, A. & Riedel, W. R. (1992). The origin and evolution of Pterocorythidae (Radiolaria): A Cenozoic phylogenetic study. Micropaleontology. 38(1): 1-36. gs


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Cryptocarpium ornatum compiled by the radiolaria@mikrotax project team viewed: 21-9-2021

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