Sigalia carpatica
Classification: pf_mesozoic -> Heterohelicidae -> Sigalia -> Sigalia carpatica
Sister taxa: S. carpatica, S. decoratissima, S. deflaensis, S. rugocostata, S. sp.
Taxonomy
holotype: S. carpatica
Original description: Diagnosis: Schale biserial gebaut, in jeder Reihe etwa 5—7 Kammerchen. Suturlinien limbat, mit verlängerten Verzierungen versehen. Mundung halbkreisíormig auf der Basis der letzten Kammer.
Description: Schale kalkig, ganz gebaut; Kammerchen von beiden Seiten zusammengedruckt; Septen limbat, gebogen und uber die Skulptúr der Kammerchen stark emporragend. Mehr als 2/3 der Schale ist durch verlängerte stumpfe (abgerundete) Knollen verziert. Am Rande der letzteren zwei alternierenden Kammerchen sind „Säume", zwischen welchen die oberen Kammerwände in Form von kleinen Kehlen vertieft sind. Die Mundung ist halbkreisíormig an der Basis der letzten Kammer.
Entries in the Catalog of original descriptions: Sigalia carpatica
Emended description:
Character matrix
| test outline: | Subtriangular | chamber arrangement: | Biserial | edge view: | Compressed | aperture: | Interiomarginal |
| sp chamber shape: | Petaloid | coiling axis: | N/A | periphery: | N/A | aperture border: | Thin flange |
| umb chbr shape: | Petaloid | umbilicus: | N/A | periph margin shape: | Narrowly rounded | accessory apertures: | N/A |
| spiral sutures: | Raised beaded | umb depth: | N/A | wall texture: | Smooth | shell porosity: | - |
| umbilical or test sutures: | Raised beaded | final-whorl chambers: | 2-2 | N.B. These characters are used for advanced search. N/A - not applicable | |||
Geological Range:
Last occurrence (top): within D. asymetrica zone (83.65-85.60Ma, top in Santonian stage). Data source: [copied from Chronos database]
First occurrence (base): within D. concavata zone (85.60-89.75Ma, base in Turonian stage). Data source: [copied from Chronos database]
Plot of range and 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
- Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
- Taxon plotted: Sigalia carpatica, synonyms included - Sigalia carpatica; Sigalia decoratissima carpatica;
- See also space-time plot :: Samples map :: Parent: Sigalia
References:
 |
Sigalia carpatica compiled by the pforams@mikrotax project team viewed: 17-12-2025
Short stable page link: https://mikrotax.org/pforams/index.php?id=110530 Go to Archive.is to create a permanent copy of this page - citation notes |
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