Also known as Oland

Where: Kalmar, Sweden (57.2° N, 17.0° E: paleocoordinates 39.3° S, 9.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Gillberga Formation, Hunderum to Hunderum (471.8 - 466.0 Ma)

• " [...] Gillberga Formation, Kunda Regional Stage, Darriwilian [...] "; according to the primary reference only the upper part of the Gillberga Fm. is Darriwilian in age

• member-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; glauconitic, green, yellow wackestone

Size class: macrofossils

Preservation: cast, replaced with calcite

Collected by G. Holm, O. Holm

• " [...] the material reported here is from part of the collections of Gerhard and Olivia Holm at the Naturhistoriska Riksmuseet Stockholm, Sweden (RM, NRM-PZ Mo- numbers). Gerhard Holm was curator of the fossil collection of the Riksmuseet from 1901–1923 and during repeated visits in the 1890s and early 1900s to the Öland Island (Fig. 1) the two collected a great number of cephalopods, mainly from the Hälludden cliff [...] "

Primary reference: B. Kröger, Y. Zhang, and M. Isakar. 2009. Discosorids and Oncocerids (Cephalopoda) of the Middle Ordovician Kunda and Aseri Regional Stages of Baltoscandia and the early evolution of these groups. Geobios 42:273-293 [B. Kröger/T. Liebrecht/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 89254: authorized by Björn Kröger, entered by Torsten Liebrecht on 12.05.2009

Creative Commons license: CC BY (attribution)