Where: Scania, Sweden (56.0° N, 12.8° E: paleocoordinates 45.4° N, 16.7° E)
• coordinate stated in text
• small collection-level geographic resolution
When: Rydebäck Member (Rya Formation), Late/Upper Pliensbachian (189.6 - 183.0 Ma)
• late Pliensbachian based on a "well-preserved foraminiferal fauna"
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, bioturbated, shelly/skeletal, gray, argillaceous siltstone
Size class: macrofossils
Collected by J. Rees, J. Lindgren in 1997
Collection methods: bulk, salvage, acetic, sieve,
• "Bulk samples of sediment were collected in November 1997 during construction of the railroad bridge" including 171 kg of "shell debris concentrations" and 388 kg of "the less fossiliferous silt and clay"; they were "dried and washed" and then frozen, and "Shell debris was dissolved in buffered acetic acid"
Primary reference: J. Rees. 2000. A new Pliensbachian (Early Jurassic) neoselachian shark fauna from southern Sweden. Acta Palaeontologica Polonica 45(4):407-424 [J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 90692: authorized by John Alroy, entered by John Alroy on 12.08.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
Hybodus reticulatus Agassiz 1837 elasmobranch | |
Sphenodus sp. Agassiz 1843 elasmobranch | |
"Synechodus enniskilleni" = Palidiplospinax enniskilleni, "Synechodus occultidens" = Palidiplospinax occultidens, "Synechodus" sp.
"Synechodus enniskilleni" = Palidiplospinax enniskilleni Duffin and Ward 1993 elasmobranch
"Synechodus occultidens" = Palidiplospinax occultidens Duffin and Ward 1993 elasmobranch | |
Paraorthacodus sp. Glikman 1957 elasmobranch | |
Agaleus dorsetensis Duffin and Ward 1983 elasmobranch | |
Hexanchidae indet. Gray 1851 cow shark |