Djupvik 4 G84-20LJ Homerian conodonts (Silurian of Sweden)

Where: Gotland, Sweden (57.3° N, 18.1° E: paleocoordinates 20.0° S, 2.7° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Kockelella ortus absidata conodont zone, Djupvik Member (Halla Formation), Homerian (430.5 - 427.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; lithified, bioturbated, argillaceous wackestone

Size class: microfossils

Preservation: original phosphate

Collection methods: bulk, chemical, acetic, sieve

Primary reference: M. Calner and L. Jeppsson. 2003. Carbonate platform evolution and conodont stratigraphy during the middle Silurian Mulde Event, Gotland, Sweden. Geological Magazine [W. Kiessling/E. Jarochowska]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 163541: authorized by Wolfgang Kiessling, entered by Emilia Jarochowska on 04.11.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Conodonta
 Panderodontida - Panderodontidae
Panderodus equicostatus Rhodes 1953 conodont
Panderodus unicostatus Branson and Mehl 1933 conodont
 Ozarkodinida -
Ozarkodina confluens Rhodes 1953 conodont
 Ozarkodinida - Spathognathodontodae
"Ozarkodina excavata" = Wurmiella excavata
"Ozarkodina excavata" = Wurmiella excavata Branson and Mehl 1933 conodont
 Ozarkodinida - Kockelellidae
Ctenognathodus ? murchisoni Pander 1856 conodont
Kockelella ortus Walliser 1964 conodont
subspecies "K. ortus absidata"
 Prioniodontida -
Oulodus siluricus Branson and Mehl 1933 conodont
n. ssp.
Pseudooneotodus beckmanni Bischoff and Sannemann 1958 conodont
Pseudooneotodus bicornis Drygant 1974 conodont
 Prioniodontida - Strachanognathidae
Decoriconus sp. Cooper 1976 conodont