Ticinella

Daughter taxa (time control age-window is: 0-800Ma)				Granddaughter taxa
			Ticinella madecassiana
			Ticinella moulladei
			Ticinella praeticinensis
			Ticinella primula
			Ticinella raynaudi	Ticinella raynaudi aperta Ticinella raynaudi digitalis
			Ticinella roberti
			Ticinella sp. Specimens which cannot be assigned to established species

Taxonomy

Original description: Enroulement trochospiral, test rugueux, loges globuleuses, celles du deuxième tour un peu aplaties dorsoventralement et munies de pustules marquant un début de carène marginale. Ombilic large, obturé par des expansions lamelleuses percées à leur bord postérieur d'ouvertures accessoires intraombilicales. Ouverture principale de type intériomarginal-ombilical, occupant toute la base du septum.

Entries in the Catalog of original descriptions: Ticinella

Distinguishing features:
Parent taxon (Rotaliporidae): Test trochospirally enrolled, primary aperture umbilical-extraumbilical in position and with bordering lip, secondary sutural apertures on umbilical side open into posterior edge of chambers.
This taxon: Test trochospiral, biconvex to planoconvex, umbilicate, chambers globular to ovate, sutures curved on the spiral side, radial on the umbilical side, depressed, periphery rounded and without a keel or poreless margin, peripheral outline lobulate; wall calcareous, optically radial, surface smooth, finely perforate, secondary lamellae emphasizing the surface rugosity and obscuring some pores but enlarging others.

Geological Range:
Last occurrence (top): at top of P. appenninica zone (100% up, 100.5Ma, in Albian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within T. madecassiana zone (111.84-112.40Ma, base in Albian stage). Data source: Total of ranges of species in this 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
• Neptune data: This is a higher taxon page so Neptune data is not plotted. See also: customisable plot Parent: Rotaliporidae

Ticinella compiled by the pforams@mikrotax project team viewed: 14-12-2024 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/pforams/index.php?id=110552 Go to Archive.is to create a permanent copy of this page - citation notes

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