Catalog - Blowiella moulladei Catalog - Blowiella moulladei

CATALOG OF ORIGINAL DESCRIPTIONS: Blowiella moulladei BouDagher-Fadel et al. 1995

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 -> B -> Blowiella -> Blowiella moulladei
Other pages this level: B. moulladei, B. solida

Blowiella moulladei

Citation: Blowiella moulladei BouDagher-Fadel et al. 1995
taxonomic rank: Species
Type specimens: Pl.4, figs 1-2 Holotype: NHML PF5314.
Type sample (& lithostrat): SS 356
Type age (chronostrat): latest Early Aptian
Type locality: Djebel Ech Chenanrafa
Type repository: London, NHM

Current identification/main database link: Globigerinelloides maridalensis (Bolli, 1959)


Original Description

Test of about 0.21mm diameter, planospiral, biumbilicate, chambers ov.oid, higher in their posterior part than anteriorly; aperture interiomarginal, equatorial, symmetncal, extending laterally into each umbilicus, and bordered with a porticus; wall smooth, microperforate.

Etymology:
In honour of Prof. M. Moullade, in recognition of his work on Cretaceous planktonic foraminifera and help in providing specimens.

Extra details from original publication
Remarks: This species is distinguished in having asymmetrically high chambers, higher in their posterior part. When the chambers become radially very elongated but still retain their characteristically asymmetric shape, Blowiella evolves into the younger form Claviblowiella saundersi (see BouDagher-Fadel, 1995d, pl.5, figs 3-4, 7). The latter with extreme, broad radial elongation was first described from the Late Aptian of the Maridale Formation (Bolli, 1959, fig.ll, Masters, 1977, fig.6) and Crimea (Gorbatchik, 1986, fig.4).

Blowiella moulladei was obtained from the latest part of the Early Aptian (SS355-356, Djebel Chenanrafa). Similar specimens of this species were figured from the upper Part of the L. cabri zone of N.E. England by Banner and Desai (1988, pl.9, figs 4-6) but were given the name of B. saundersi.

Range: Latest Early Aptian to early Late Aptian.

References:

Banner, F. T. & Desai, D. (1988). A review and revision of the Jurassic-Early Cretaceous Globigerinina,with especial reference to the Aptian assemblages of Speeton (North Yorkshire, England). Journal of Micropalaeontology. 7: 143-185. gs

BouDagher-Fadel, M., Banner, F. T., Bown, P. R., Simmons, M. D. & Gorbachik, T. N. (1995). Gorbachikella from the Hauterivian, Barremian-Aptian of Tunisia. Revue de Micropaléontologie. 38(3): 179-193. gs


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Blowiella moulladei compiled by the pforams@mikrotax project team viewed: 3-3-2024

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Comments (2)

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joao villar de queiroz neto(France)

Quote from "Early Cretaceous planktonic foraminifera from the Tethys:  thesmall, few-chambered representatives of the genus Globigerinelloides" from Verga and Premoli Silva 2003 Finally Blowiella moulladei, illustrated by BouDagher-Fadel (1995, pl. 4, figs. 1–2) and re-figured by BouDagher-Fadel et al. (1997, pl. 10.2, figs. 1–3), does not exhibit significant morphological characters for distinguishing this taxon from the four-chambered specimens belonging to Globigerinelloides maridalensis.

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Jeremy Young(UK)

Thank you for pointing this out. I have now recorded it as a synonym of Globigerinelloides maridalensis.

Jeremy Young