Hauff slate quarry, Holzmaden, epsilon II/4, SMNS (Jurassic of Germany)

Where: Baden-Württenburg, Germany (48.6° N, 9.5° E: paleocoordinates 37.8° N, 17.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Harpoceras falciferum ammonoid zone, Lias epsilon II/4 Member (Posidonia Shale Formation), Falciferum (183.0 - 182.0 Ma)

• Lias ("Schwarzjura") epsilon II/4 (Unterer Schiefer) (Großmann 2007)

•"M. Hauff's described above skeleton has located 20 cm below the bottom and 40 cm above the dolomite bed (?Fleinsbank?), in such a way as it is now shown with the ventral side on the film surface" (translation of Dames 1895, p. 64)

• member-level stratigraphic resolution

Environment/lithology: marine; black shale

Size class: macrofossils

Collected by B. Hauff Sr in <1895

Collection methods: quarrying,

• Humboldt Museum, Berlin (MB)

Primary reference: H. W. Dames. 1895. Die Plesiosaurier der süddeutschen Liasformation. Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin 2:1-83 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138586: authorized by Roger Benson, entered by Roger Benson on 22.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sauropterygia - Microcleididae
"Plesiosaurus guilelmiimperatoris n. sp." = Seeleyosaurus guilelmiimperatoris
"Plesiosaurus guilelmiimperatoris n. sp." = Seeleyosaurus guilelmiimperatoris Dames 1895 plesiosaur
MB.R.1992 holotype skeleton