pforams@mikrotax - Favusellidae pforams@mikrotax - Favusellidae


Classification: pf_mesozoic -> Favusellidae
Sister taxa: Guembelitriidae ⟩⟨ Heterohelicidae ⟩⟨ Planomalinidae, Globigerinelloididae, Schackoinidae ⟩⟨ Conoglobigerinidae, Chilostomellidae, Favusellidae, Praehedbergellidae, Hedbergellidae, Rugoglobigerinidae, Rotaliporidae, Globotruncanidae, hidden
Daughter taxa (time control age-window is: 0-800Ma)Granddaughter taxa
Test trochospirally coiled, globular chambers rapidly enlarging, four to five in each of the two to three whorls, sutures radial, depressed, umbilicus narrow to wide, periphery broadly rounded, peripheral outline lobulate; wall calcareous, hyaline, optically radial, perforate, without keel or poreless carinal band, surface with a distinct honeycomblike pattern of costellae, few to many tiny pores in each of the rectangular to hexagonal areas, and rare pores on the elevated reticulum; aperture an interiomarginai arch of varied extent, ranging from umbilical to spiroumbilical and bordered by a narrow lip.
Favusella hoterivica
Favusella washitensis
Favusella sp.


Citation: Favusellidae Longoria, 1974
Rank: Family

Entries in the Catalog of original descriptions: Favuselloidea

Distinguishing features:
Parent taxon (pf_mesozoic):
This taxon: Test trochospirally coiled, chambers inflated, rounded to ovate; wall cancellate, with abundantly perforated fields bordered by imperforate ridges; primary aperture umbilical to slightly extraumbilical, with an imperforate lip; umbilicus narrow to wide and deep, margin noncarinate.

Geological Range:
Last occurrence (top): in upper part of Cenomanian Stage (67% up, 96.1Ma, in Cenomanian stage). Data source: Total of range of species in this database
First occurrence (base): in upper part of Berriasian Stage (55% up, 141.9Ma, in Berriasian stage). Data source: Total of range of species in this database

Plot of range and occurrence data:


Loeblich, A. R. & Tappan, H. (1988). Foraminiferal Genera and Their Classification (Volume I-II). Van Nostrand Reinhold Co., New York. 1-1059. gs


Favusellidae compiled by the pforams@mikrotax project team viewed: 1-6-2023

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