Bagå Formation

The Bagå Formation is a geological formation dating to around 199 to 170 million years ago, in the Early and Late Jurassic. It is located on the island of Bornholm, Denmark.[1]

Bagå Formation Stratigraphic range: Hettangian-Bathonian ~199–170 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological Formation
Underlies	Rabekke Formation
Overlies	Sorthat Formation
Lithology
Primary	Claystone
Other	Sandstone, coal
Location
Coordinates	55.2°N 15.0°E / 55.2; 15.0
Approximate paleocoordinates	45.8°N 21.8°E / 45.8; 21.8
Region	Bornholm
Country	Denmark
Bagå Formation (Denmark)

Fossil content

Early-Mid Jurassic (170 Ma)

Ichnofossils

Sauropoda

Genus	Species	Location	Material	Notes	Images
Sauropodina indet.[1]	unknown[1]	Bornholm, Denmark[1]	Footprints[1]	The footprints were made by an unknown sauropod

Ornithischians

Genus	Species	Location	Material	Notes	Images
Ornithischipida indet.[1]	unknown[1]	Bornholm, Denmark[1]	Footprints[1]	The footprints were made by an unidentified Thyreophoran

Flora

Genus	Species	Location	Material	Notes	Images
Thaumatopteris[2]	unknown	Bornholm, Denmark[2]	specimens[2]
Eoboracia[2]	E. lobifolia[2]	Bornholm, Denmark[2]	specimens[2]
Cladophlebis[2]	C. nebbensis[2]	Bornholm, Denmark[2]	specimens[2]
Dictyophyllum[2]	D. earlsonii[2]	Bornholm, Denmark[2]	specimens[2]
Ginkgoites[2]	G. troedssonii[2]	Bornholm, Denmark[2]	specimens[2]
Neocalamites[2]	N. hoerensis[2]	Bornholm, Denmark[2]	specimens[2]
Hausmannia[2]	H. forchhammeri[2]	Bornholm, Denmark[2]	specimens[2]
Pagiophyllum[2]	P. steenstrupi[2]	Bornholm, Denmark[2]	specimens[2]
Otozamites[2]	O. mimetes[2]	Bornholm, Denmark[2]	specimens[2]
Coniopteris[2]	C. hymenophylloides[2]	Bornholm, Denmark[2]	specimens[2]

Color key Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon		Notes Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

See also

• List of fossiliferous stratigraphic units in Denmark
• Drzewica Formation

References

1. Bonde, 2012
2. Mehlquist et al., 2009

Bibliography

• Bonde, N. (2012). "Danish Dinosaurs: A Review". In Godefroit, P. Bernissart Dinosaurs. Indiana University Press. pp. 435-449
• Mehlquist, K.; Larsson, L.M.; Vajda, V. (2009) "A Jurassic (Pliensbachian) flora from Bornholm, Denmark - a study of historic plant-fossil collection at Lund University, Sweden". GEF. 131:1. 137-146

Further reading

• E. B. Koppelhus and D. J. Batten. 1992. Megaspore assemblages from the Jurassic and lowermost Cretaceous of Bornholm, Denmark. DGU, Danmarks Geologiske Undersogelse, Serie A 32:1-81