MR-2, Left Bank of the Mwachi River (Jurassic of Kenya)

Where: Kenya (4.0° S, 39.5° E: paleocoordinates 23.4° S, 19.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Strenoceras niortense ammonoid zone, Kambe Formation, Late/Upper Bajocian (171.6 - 167.7 Ma)

Environment/lithology: deep-water; lithified, calcareous shale

Size class: macrofossils

Preservation: mold/impression, replaced with pyrite

Primary reference: A. Galácz. 2017. Bajocian (Middle Jurassic) ammonites of stratigraphical and Palaeobiogeographical importance from Mombasa, Kenya, East Africa. Geodiversitas 39(4):717-727 [A. Kocsis/A. Kocsis]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 191124: authorized by Adam Kocsis, entered by Adam Kocsis on 10.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

 Nuculida - Nuculidae
Nuculidae indet. Gray 1824 nut clam
 Ammonitida - Lissoceratidae
Lissoceras oolithicum d'Orbigny 1842 ammonite
 Ammonitida - Oppeliidae
Trimarginia sp. Arkell 1952 ammonite
 Ammonitida - Lytoceratidae
Nannolytoceras polyhelictum Böckh 1881 ammonite
Lytoceras eudesianum d'Orbigny 1846 ammonite
eudesianum subsp.
 Ammonitida - Stephanoceratidae
Masckeites cf. psilacanthoides Sandoval 1983 ammonite
Normannites egyptiacus Arkell 1952 ammonite
 Ammonitida - Spiroceratidae
Spiroceras annulatum Deshayes 1831 ammonite
 Ammonitida - Perisphinctidae
Leptosphinctes cf. schmiereri Bentz 1924 ammonite
 Phylloceratida - Phylloceratidae
Holcophylloceras zignodianum d'Orbigny 1848 ammonite
Phylloceras trifoliatum Neumayr 1871 ammonite