Hasle, Bornholm, Hasle Formation (Jurassic of Denmark)

Where: Denmark (55.2° N, 14.7° E: paleocoordinates 45.0° N, 18.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hasle Formation, Early/Lower Pliensbachian (189.6 - 183.0 Ma)

• Uptonia jamesoni to Prodactylioceras davoei ammonoid zones

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified sandstone and lithified siltstone

• near-shore, shallow, open-marine shelf, with sediment deposited between depths of 10-40 m, probably within 2 km from the coastline
• cross-stratified fine-grained sandstones and coarse-grained siltstones

Size class: macrofossils

Primary reference: J. Rees. 1998. Early Jurassic selachians from the Hasle Formation on Bornholm, Denmark. Acta Palaeontologica Polonica 43(3):439-452 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90434: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Hybodontidae
Hybodus delabechei Charlesworth 1839 elasmobranch
Hybodus reticulatus Agassiz 1837 elasmobranch
 Hybodontiformes -
Lissodus hasleensis n. sp. Rees 1998 elasmobranch
 Synechodontiformes - Paraorthacodontidae
Paraorthacodus sp. Glikman 1957 elasmobranch
 Synechodontiformes - Palaeospinacidae
"Synechodus occultidens" = Palidiplospinax occultidens
"Synechodus occultidens" = Palidiplospinax occultidens Duffin and Ward 1993 elasmobranch
 Euselachii - Agaleidae
Agaleus dorsetensis Duffin and Ward 1983 elasmobranch
Reptilia
 Plesiosauria -
 Sauropterygia -
Plesiosauroidea indet. Welles 1943 plesiosaur
 Sauropterygia - Rhomaleosauridae
Rhomaleosauridae indet. Nopcsa 1928 plesiosaur
 Sauropterygia -
Pliosauroidea indet. Welles 1943 plesiosaur