Sample X/17 (99621), Mittelland canal, Sehnde, Lower Saxony (Jurassic of Germany)

Where: Germany (52.3° N, 10.0° E: paleocoordinates 41.4° N, 15.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Pliensbachian (190.8 - 182.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; claystone and marl

• Toneisensteingeoden (seems to be clay lenses or discontinuous beds based on strat column; since uncertain on translation, used primary lithology description); within unit of Tonstein, Tonmergel (interpreted as claystone, marl)

Size class: microfossils

Primary reference: G. Beutler, C. Heunisch, F.W. Luppold, B. Rettig, and H.-G. Roehling. 1996. Muschelkalk, Keuper und Lias am Mittellandkanal bei Sehnde (Niedersachsen) und die regionale Stellung des Keupers (The Muschelkalk, Keuper and Lias of the Mittelland canal section near Sehnde, Lower Saxony). Geologisches Jahrbuch Reihe A 145:67-197 [A. Miller/K. Layou/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 33513: authorized by Arnold Miller, entered by Karen Layou on 01.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Foraminifera
 Ammodiscoidea - Ammodiscidae
Ammodiscus siliceus, Ammodiscus incertus, Tolypammina sp.
Ammodiscus incertus d'Orbigny 1839
Tolypammina sp. Rhumbler 1895
 Trochamminacea - Trochamminidae
Trochammina cf. nana
Nodosariata
 Vaginulinida - Lagenidae
Lingulina tenera
Lingulina tenera
L. tenera tenera and L. tenera pupa
Ostracoda
 Podocopida - Bairdiidae
Bairdia clio, Isobythocypris elongata
Bairdia clio Bizon 1960 ostracod
 Podocopida - Bythocytheridae
Monoceratina frentzeni, Monoceratina sp.
Monoceratina sp. Roth 1928 ostracod
 Myodocopida - Polycopidae
Polycope cerasia
Polycope cerasia Blake 1876 ostracod