Alsen Quarry (Cretaceous to of Germany)

Also known as Vertebrate locality

Where: Germany (53.3° N, 9.6° E: paleocoordinates 43.7° N, 10.6° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Lagerdorf Formation, Late/Upper Santonian to Late/Upper Santonian (85.8 - 70.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; chalk

Size class: macrofossils

Preservation: trace

Collected in 1915

• Mosbach Collection. Later on the fossil material came to the Prussian Geological Survey in shelter of Dr. Karl Staesche. Moved to Hanover Geological Survey in the 1950s.

Primary reference: H.-V. Karl and C. J. Nyhuis. 2012. Ctenochelys stenoporus (Hay, 1905) (Testudines: Toxochelyidae) and Clidastes sp. (Squamata: Mosasauridae) from the Upper Cretaceous of NW-Germany. Studia Palaeocheloniologica 4:129-142 [P. Mannion/J. Tennant/J. Tennant]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138296: authorized by Philip Mannion, entered by Jonathan Tennant on 10.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines - Pancheloniidae
Ctenochelys stenoporus Hay 1905 turtle
Gr.A.24 n.º 8 Mandible and appendicular elements
 Squamata - Mosasauridae
Clidastes sp. Cope 1868 mosasaur
Gr.A.24 n.º 8 Partial scapula