Råssnäsudden, Bergström and Bergström, 1996, Motala Fm (Silurian of Sweden)

Where: Sweden (58.5° N, 15.0° E: paleocoordinates 25.2° S, 5.8° W)

• coordinate estimated from map

When: Distomodus kentuckyensis conodont zone, Motala Formation, Llandovery (443.4 - 433.4 Ma)

Environment/lithology: marine; nodular, calcareous lime mudstone

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

PaleoDB collection 159342: authorized by Björn Kröger, entered by Björn Kröger on 31.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Encrinuridae
Nucleurus sp. Ramskold 1986 trilobite
 Phacopida - Calymenidae
Calymene sp. Brongniart 1822 trilobite
 Proetida - Proetidae
Proetus sp. Steininger 1831 trilobite
 Proetida - Tropidocoryphidae
Decoroproetus sp. Pribyl 1946 trilobite
Strophomenata
 Strophomenida - Foliomenidae
Foliomena sp. Havlicek 1952
Rhynchonellata
 Orthida - Dalmanellidae
Dalmanella sp. Hall and Clarke 1892
 Atrypida - Atrypinidae
Eospirigerina sp. Schuchert and Cooper 1930
Cephalopoda
 Orthocerida - Dawsonoceratidae
Dawsonoceras sp. Hyatt 1884
Conodonta
 Protopanderodontida - Drepanoistodontidae
Nordiodus sp. Serpagli 1967 conodont
 Ozarkodinida -
Ozarkodina sp. Branson and Mehl 1933 conodont
Ozarkodina oldhamensis Rexroad 1967 conodont
 Prioniodontida - Distomodontidae
Distomodus cf. kentuckyensis Branson and Branson 1947 conodont
Distomodus kentuckyensis Branson and Branson 1947 conodont
 Prioniodontida - Balognathidae
 Prioniodontida -
Oulodus sp. Branson and Mehl 1933 conodont
Pseudooneotodus beckmanni Bischoff and Sannemann 1958 conodont
 Prioniodontida - Prioniodinidae
Aspelundia cf. fluegeli Walliser 1964 conodont
 Prioniodontida - Strachanognathidae
 Panderodontida - Panderodontidae
Panderodus sp. Ethington 1959 conodont
 Belodellida - Belodellidae
Walliserodus curvatus Branson and Branson 1947 conodont
 Belodellida - Dapsilodontidae
Dapsilodus obliquicostatus Branson and Mehl 1933 conodont