Petrarhabdus copulatus


Classification: ntax_mesozoic -> Podorhabdales -> Prediscosphaeraceae -> Petrarhabdus -> Petrarhabdus copulatus
Sister taxa: P. copulatus, P. kirenii, P. vietus, P. sp.

Distinguishing features: Prediscosphaera with massive, four-part, blocky, square spine covering most of the distal surface.


Taxonomy:

Citation: Petrarhabdus copulatus (Deflandre, 1959) Wind & Wise in Wise, 1983
Rank: Species
Basionym: Tetralithus copulatus Deflandre, 1959

Farinacci & Howe catalog pages: T. copulatus *

Distinguishing features: Prediscosphaera with massive, four-part, blocky, square spine covering most of the distal surface.

Search data:
TagsLITHS: placolith, circular, quadrate, CA: cross-axial, ca_disjunct, process, CROSS-POLARS: rim-bicyclic, V-prominent,
MetricsLith size: 7->10µm; Segments: 16->16;
Data source notes: illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): in upper part of UC20a subzone (80% up, 69Ma, in Maastrichtian stage). Data source: Burnett 1998, fig 6.6
First occurrence (base): within Campanian Stage (72.05-83.64Ma, base in Campanian stage). Data source: Burnett 1998

Plot of occurrence data:

References:

Burnett, J. A. (1997c). New species and new combinations of Cretaceous nannofossils and a note on the origin of Petrarhabdus (Deflandre) Wise & Wind. Journal of Nannoplankton Research. 19(2): 133-146. gs V O

Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 132-199. gs V O

Deflandre, G. (1959). Sur les nannofossiles calcaires et leur systématique. Revue de Micropaléontologie. 2: 127-152. gs

Varol, O. (1992b). Taxonomic revision of the Polycyclolithaceae and its contribution to Cretaceous biostratigraphy. Newsletters on Stratigraphy. 27(93-127): -. gs

Wise, S. W. (1983). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 71 in the Falkland Plateau region, Southwest Atlantic Ocean. Initial Reports of the Deep Sea Drilling Project. 71: 481-550. gs V O


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Petrarhabdus copulatus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 15-5-2021

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