Biscutum profundum
Classification: ntax_mesozoic -> Podorhabdales -> Biscutaceae -> Biscutum -> Biscutum profundum
Sister taxa: B. constans, B. ellipticum 〉〈 B. coronum, B. dekaenelii, B. magnum, B. melaniae 〉〈 B. arrogans, B. asymmetricum, B. boletum, B. dissimilis, B. zulloii 〉〈 B. hattneri, B. notaculum, B. virginica 〉〈 B. gaultensis, B. thurowii 〉〈 B. davyi, B. depravatum, B. dorsetensis, B. dubium, B. erismatum, B. grande, B. intermedium, B. planum, B. profundum, B. sp.
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Taxonomy:
Citation: Biscutum profundum de Kaenel & Bergen, 1993Rank: Species
Farinacci & Howe catalog pages: B. profundum *
Search data:
Tags | LITHS: placolith, elliptical, CA: ca_disjunct, closed, CROSS-POLARS: rim-unicyclic, V-prominent, |
Metrics | Lith size: 4->5µm; Data source notes: original description |
The morphological data given here can be used on the advanced search page. See also these notes
Geological Range:
Last occurrence (top): within Bajocian Stage (168.28-170.30Ma, top in Bajocian stage). Data source: Kaenel & Bergen, 1993 (original description)
First occurrence (base): within Toarcian Stage (174.15-182.70Ma, base in Toarcian stage). Data source: Kaenel & Bergen, 1993 (original description)
Plot of occurrence data:
- Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
- Triangles indicate an event for which a precise placement has been suggested
- (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Biscutum
References:
de Kaenel, E. & Bergen, J. A. (1993). New Early and Middle Jurassic coccolith taxa and biostratigraphy from the eastern proto-Atlantic (Morocco, Portugal and DSDP Site 547B). Eclogae Geologicae Helvetiae. 86(861-907): -. gs V O