Grötlingbo-1, JN-18 (Ordovician of Sweden)

Where: southern Gotland, Sweden (57.1° N, 18.4° E: paleocoordinates 34.4° S, 4.7° W)

When: Amorphognathus tvaerensis conodont zone, Adze Formation, Haljala (456.8 - 453.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: offshore; glauconitic, pyritic limestone

Size class: microfossils

Primary reference: P. Männik, D.K. Loydell, V. Nestor and J. Nolvak. 2015. Integrated Upper Ordovician - lower Silurian biostratigraphy of the Grötlingbo-1 core section, Sweden. Geologiska Föreningen 137(1):226-244 [E. Jarochowska/E. Jarochowska]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 183448: authorized by Emilia Jarochowska, entered by Emilia Jarochowska on 22.12.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Conodonta
 Prioniodontida - Balognathidae
Baltoniodus sp., Amorphognathus tvaerensis
Baltoniodus sp. Lindstrom 1971 conodont
 Prioniodontida - Strachanognathidae
Decoriconus spp.
Decoriconus spp. Cooper 1976 conodont
 Panderodontida - Panderodontidae
Panderodus spp.
Panderodus spp. Ethington 1959 conodont
 Belodellida - Belodellidae
Walliserodus sp.
Walliserodus sp. Serpagli 1967 conodont
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus, Drepanoistodus venustus
Drepanoistodus suberectus Branson and Mehl 1933 conodont
Drepanoistodus venustus Stauffer 1935 conodont
 Protopanderodontida - Oneotodontidae
Semiacontiodus sp.