Graptolites of the Glyptograptus persculptus Zone on Bornholm (Silurian of Denmark)

Where: Bornholm, Denmark (55.1° N, 14.7° E: paleocoordinates 30.7° S, 5.0° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Rhuddanian (443.4 - 440.8 Ma)

Environment/lithology: marine; lithified, pyritic, gray shale and lithified limestone

• Overall sequence of graptolitic shales on Bornholm consists of fault blocks exposed along Laesa and Olea rivulets and in boreholes.
• For overall sequence on Bornholm: "...mainly developed as dark grey, graptolitic shales interbedded with a few limestone bands."

•For this Zone: "The persculptus Zone is represented in the well sequence at a depth of 30.10-34.50 m. The shale here is grey to dark grey with well preserved pyritized graptolites."

Primary reference: M. Bjerreskov. 1975. Llandoverian and Wenlockian graptolites from Bornholm. Fossils and Strata (8)1-93 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 13704: authorized by Michael Foote, entered by Michael Foote on 19.04.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Neodiplograptidae
"Glyptograptus persculptus" = Metabolograptus persculptus
"Glyptograptus persculptus" = Metabolograptus persculptus Elles and Wood 1907 graptolite
 Graptoloidea - Retiolitidae
Glyptograptus sp.
 Graptoloidea - Normalograptidae
"Climacograptus angustus" = Normalograptus angustus
"Climacograptus angustus" = Normalograptus angustus Perner 1895 graptolite
 Graptoloidea - Monograptidae
? Monograptus sp.
 Graptoloidea - Diplograptidae
Orthograptus sp.
Orthograptus sp. Lapworth 1873 graptolite
 Graptoloidea - Climacograptidae
Climacograptus miserabilis