Skelbro quarry, Bed -19 (Ordovician of Sweden)

Where: Bornholm, Sweden (55.0° N, 14.9° E: paleocoordinates 41.3° S, 11.9° W)

When: Megistaspis polyphemus trilobite zone, Komstad Formation, Volkhov (471.1 - 469.2 Ma)

• Lower part of Didymograptus hirundo graptolite zone.

• bed-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: A. T. Nielsen. 1995. Trilobite systematies, biostratigraphy and palaeoecology of the Lower Ordovician Komstad Limestone and Huk Forrnations, southern Scandinavia. Fossils and Strata 38:1-374 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 173625: authorized by Pete Wagner, entered by Pete Wagner on 04.10.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Artiopoda
 Agnostida - Metagnostidae
Geragnostus sp. Howell 1935
Trilobita
 Corynexochida - Styginidae
 Trinucleida - Raphiophoridae
Lonchodomas tenuis Nielsen 1995 trilobite
Rhombampyx glaber Poulsen 1965 trilobite
 Asaphida - Cyclopygidae
 Asaphida - Nileidae
Symphysurus spp. Goldfuss 1843 trilobite
Nileus depressus Boeck 1838 trilobite
Nileus depressus schranki
Nileus planiceps Nielsen 1995 trilobite
Nileus orbiculatoides Schrank 1972 trilobite
 Asaphida - Asaphidae
Niobe (Niobella) imparilimbata Bohlin 1955 trilobite
"Ptychopyge" sp. Angelin 1854 trilobite
Megistaspis (Megistaspis) polyphemus Brögger 1882 trilobite
 Phacopida - Cheiruridae
Cyrtometopus spp. Angelin 1854 trilobite