pforams@mikrotax - Conoglobigerinidae

Conoglobigerinidae


Classification: pf_mesozoic -> Conoglobigerinidae
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
Conoglobigerina
Chambers of the last whorl strongly embrace previous whorls; irregularly reticulate wall surface pattern
C. caucasica
C. grigelisi
C. gulekhensis
C. helvetojurassica
C. sp.

Globuligerina
Wall smooth or pustulose but without reticulate pattern
G. avariformis
G. balakhmatovae
G. bathoniana
G. dagestanica
G. glinskikhae
G. jurassica
G. oxfordiana
G. tojeiraensis
G. waskowskae
G. sp.

Petaloglobigerina

P. simmonsi

Taxonomy

Citation: Conoglobigerinidae Simmons et al. 1997
Rank: Family

Original description: Those genera of the Favusellacea which do not possess a favose surface structure of fused pseudomuricae forming an anastomosing reticulation.

Entries in the Catalog of original descriptions: Conoglobigerinidae

Distinguishing features:
Parent taxon (pf_mesozoic):
This taxon: Small (<200µm), microperforate wall, 3-4 globose chambers in final wall, aperture umbilical

Geological Range:
Last occurrence (top): within Valanginian Stage (133.88-139.39Ma, top in Valanginian stage). Data source: Total of range of species in this database
First occurrence (base): within Bajocian Stage (168.28-170.30Ma, base in Bajocian stage). Data source: Total of range of species in this database

Plot of range and occurrence data:

Character matrix
test outline:Lobatechamber arrangement:Trochospiraledge view:Spiroconvexaperture:Umbilical
sp chamber shape:Globularcoiling axis:Low-moderateperiphery:N/Aaperture border:-
umb chbr shape:Globularumbilicus:-periph margin shape:Broadly roundedaccessory apertures:None
spiral sutures:Moderately depressedumb depth:-wall texture:Finely pustuloseshell porosity:Microperforate: <1µm
umbilical or test sutures:Moderately depressedfinal-whorl chambers:0.0-0.0 N.B. These characters are used for advanced search. N/A - not applicable

References:

Simmons, M. D., Boudagher-Fadel, M. K., Banner, F. T. & Whittaker, J. E. (1997). The Jurassic Favusellacea, the earliest Globigerina. In, Boudagher-Fadel, M. K., Banner, F. T. & Whittaker, J. E. (eds) The Early Evolutionary History of Planktonic Foraminifera. British Micropalaeontological Society Publication Series. 17-30. gs V O


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Conoglobigerinidae compiled by the pforams@mikrotax project team viewed: 28-11-2021

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Short stable page link: https://mikrotax.org/pforams/index.php?id=110066 Go to Archive.is to create a permanent copy of this page - citation notes



Comments (1)

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Le Coze

Hi Jeremy,

Could you please tell me in which superfamily do you include Conoglobigerinidae?

Thank you,

François

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Jeremy Young (UK)

At least for now we are not using superfamilies in the Mesozoic module so I don't know.

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