Abstract
In this treatise the author describes two species from the Lias, and four from the Dogger. One liassic species is already known (Reinholdella macfadyeni [Ten Dam]) from the Upper Lias (Bifrons-Zone), England, the other one was found by Dr.Bartenstein in Luxemburg, Lias δ Grenze ε, and has been namedReinholdella pachyderma nov. spec.
The species from the Dogger areReinholdella dreheri (Bartenstein) and three new species, viz.Reinholdella brandi nov. spec.,Reinholdella ornata nov. spec. andReinholdella epistominoides nov. spec. The genusReinholdella has obviously derived from the genusConorboides Hofker (1951) and the speciesR. epistominoides proves that the genusEpistomina is related withReinholdella. It may be thatReinholdella is related withAsterigerina; but the large gap in the Cretaceous, where noReinholdella is found nor any species ofAsterigerina, contradicts this view.
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Literature
Bartenstein, H., andBrand, E., 1937. Mikro-paläontologische Untersuchungen zur Stratigraphie des nordwestdeutschen Lias und Doggers. Abh. Senck. Nat. Ges.,439, S. 1–224. Frankfurt a. M.
Brand, E., 1949. Neue Ergebnisse zur mikropaläontologischen Gliederung des nordwestdeutschen Dogger und Valendis. Erdöl und Tektonik in Nordwestdeutschland. Amt für Bodenforschung, Hannover-Celle.
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Dam, A. ten, 1942.Asterigerina dreheri (Bartenstein). Geol. en Mijnb., Vol.42 No. 1. — 1947. Journ. of Pal., Vol.21. Oklahoma, Tulsa.
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Hoiker, J. The Jurassic GenusReinholdella Brotzen (1948) (Foram.). Paläont. Z. 26, 15–29 (1952). https://doi.org/10.1007/BF03041726
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DOI: https://doi.org/10.1007/BF03041726