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Species Hastigerinella clavacella Rögl 1969


Discussion / Comments:
Rögl (1985):
H. clavacella differs from Clavatorella bermudezi in its larger test size, up to 0.9 mm, with chambers arranged in a medium to high troehospire, becoming streptospiral in the final stage. in comparison, C. bermudezi has a very flat troehospire of nearly planispiral aspect. Chamber forms in the two species are similar with a trend for later ones to become more elongate and club shaped. Chambers in H. digitata are more finger like and clavate and are arranged in a lower troehospire compared with H. clavacella.
Synonym list:
Rögl (1985):
1969 Hastigerinella clavacella Rögl. - Rögl : p.95 pl. 9, figs. 4a-c
1985 Hastigerinella clavacella Rögl. - Rögl : p.325 figs. 5.27-28; 3
References:

Rögl,F. (1969):
Die miozäne Foraminiferenfauna von Laa an der Thaya in der Molassezone von Niederöstereich. . Mitt. geol. Ges. Wien61 (1968) p. 63-123

Rögl,F. (1985):
Late Oligocene and Miocene planktic foraminifera of the Central Paratethys.
In: Plankton Stratigraphy Eds: Bolli, H.M.Saunders, J.B.Perch-Nielsen, K. p. 315-328
Anonymous: Unedited TaxonConcept data
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