Råssnäsudden, Jonstorp Fm. (Ordovician of Sweden)

Where: Sweden (58.5° N, 15.0° E: paleocoordinates 30.3° S, 6.3° W)

• coordinate estimated from map

When: Jonstorp Formation, Pirgu (449.5 - 445.2 Ma)

Environment/lithology: marine; nodular, argillaceous limestone

Size classes: macrofossils, mesofossils

Primary reference: S. M. Bergström and J. Bergström. 1996. The Ordovician-Silurian boundary successions in Östergötland and Västergötland, S. Sweden. Geologiska Föreningens i Stockholm Förhandlingar 118:25-42 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 159344: authorized by Björn Kröger, entered by Björn Kröger on 31.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Conodonta
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus Branson and Mehl 1933 conodont
 Protopanderodontida - Protopanderodontidae
 Prioniodontida -
Pseudooneotodus beckmanni Bischoff and Sannemann 1958 conodont
 Prioniodontida - Strachanognathidae
Scabbardella altipes Hennigsmoen 1948 conodont
 Prioniodontida - Balognathidae
Birksfeldia circumplicata Orchard 1980 conodont
Amorphognathus ordovicicus Bergström and Bergström 1996 conodont
 Panderodontida - Panderodontidae
Belodina confluens Sweet 1979 conodont
Panderodus sp. Ethington 1959 conodont
 Belodellida - Dapsilodontidae
Dapsilodus mutatus Branson and Mehl 1933 conodont