Alsen chalk-pit (Lägerdorf): Late/Upper Santonian - Early/Lower Campanian, Germany
collected 1915

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines - Ctenochelyidae
Ctenochelys stenoporus (Hay 1905)
Gr.A.24 n.º 8 Mandible and appendicular elements
Reptilia - Mosasauridae
Clidastes sp. Cope 1868
Gr.A.24 n.º 8 Partial scapula
Mosasaurus alseni n. sp. Stolley 1892
Hornung and Reich 2015
nomen dubium belonging to Tylosaurus
CAUK G-K-588
see common names

Geography
Country:Germany State/province:Schleswig-Holstein County:Lagerdorf
Coordinates: 53.3° North, 9.6° East (view map)
Paleocoordinates:43.7° North, 10.6° East
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Key time interval:Late/Upper Santonian - Early/Lower Campanian
Age range of interval:85.80000 - 70.60000 m.y. ago
Stratigraphy
Formation:Lagerdorf
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: chalk
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:body,trace
Size of fossils:macrofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collection dates:1915
Collection method comments: 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.
Metadata
Database number:138296
Authorizer:P. Mannion Enterer:J. Tennant, P. Mannion
Modifier:P. Mannion Research group:vertebrate
Created:2013-01-10 04:18:41 Last modified:2021-03-22 11:30:27
Access level:the public Released:2013-01-10 04:18:41
Creative Commons license:CC BY
Reference information

Primary reference:

44225. 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]

Secondary references:

76000 J. J. Hornung and M. Reich. 2015. Tylosaurine mosasaurs (Squamata) from the Late Cretaceous of northern Germany. Netherlands Journal of Geosciences 94(1):55-71 [P. Mannion/P. Mannion]