Catalog - Favusella scitula Catalog - Favusella scitula

CATALOG OF ORIGINAL DESCRIPTIONS: Favusella scitula Michael 1973

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.


Higher levels: pf_cat -> F -> Favusella -> Favusella scitula
Other pages this level: F. confusa, F. hedbergellaeformis, F. nitida, F. orbiculata, F. papagayosensis, F. pessagnoi, F. planata, F. quadrata, F. scitula, F. stiftia, F. voloshinae, F. wenoensis

Favusella scitula

Citation: Favusella scitula Michael 1973
taxonomic rank: Species
Type specimens: Plate 4, figs. 10-12; Holotype: USNM 172801; Paratype: USNM 172802; Paratypes: F.M. 11; Pes­sagno Collection, University of Texas at Dallas.
Type locality: Holotype and paratypes from locality Tex 6 (sample Dc. 9); Duck Creek Formation.
Type repository: Washington; USNM

Linked specimens: USNM-172801 USNM-172802

Current identification/main database link: Favusella washitensis (Carsey, 1926)


Original Description

Test relatively large in size; a high trochospire with three volutions; chambers increase gradually in size, usually five globular chambers in the last whorl; last chamber ovate, elongate, protruding, obscures part of umbilicus; umbilicus wide and deep; sutures radial, distinct, depressed; primary aperture interiomarginal, extraumbilical. Polygons of the honey- comb ornamentation usually pentagonal, rarely hexagonal; all equal in size.

Etymology:
from scitulus-a-um (Latin) = pretty or elegant.

Extra details from original publication
Remarks: Favusella scitula, n. sp., is characterized by being quite spiroconvex, by having a markedly ele­vated early whorl, by the elongate shape of its last chamber, and by its uniform cancellate pattern.
Range: Upper Albian: Hedbergella implicata Sub­ zone to H. punctata Subzone of the F. washitensis Assemblage Zone.
Occurrence: F. scitula, n. sp., is abundant in the Duck Creek through Denton Formations of the North Central Texas area.

References:

Michael, F. Y. (1973). Planktonic foraminifera from the Comanchean Series (Cretaceous) of Texas. Journal of Foraminiferal Research. 2 (1972)(4): 200-220. gs


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Favusella scitula compiled by the pforams@mikrotax project team viewed: 20-5-2024

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