Hjortnestangen, Engervik Mbr. (Ordovician to of Norway)

Where: Oslo-Asker, Norway (60.0° N, 11.0° E: paleocoordinates 34.0° S, 10.6° W)

• local area-level geographic resolution

When: Engervik Member (Elnes Formation), Aseri to Aseri (463.5 - 460.9 Ma)

• Lasnamägi; Ogygiocaris Shale (4aα3) of the old literature

• member-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, black shale and limestone

• Black shale interbedded with limestone and limestone nodules

Size classes: macrofossils, mesofossils

Primary reference: E. L. Yochelson. 1963. The Middle Ordovician of the Oslo Region, Norway. 15. Monoplacophora and Gastropoda. Norsk Geologisk Tidsskrift 43(2):133-213 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 56196: authorized by Pete Wagner, entered by Pete Wagner on 15.11.2005, edited by Björn Kröger

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Asaphidae
Ogygiocaris sarsi1 Angelin 1878 trilobite
Ogygiocaris sarsi sarsi
Gastropoda
 Euomphalina - Lesueurillidae
"Pararaphistoma (Pararaphistoma) schmidti" = Pararaphistoma schmidti
"Pararaphistoma (Pararaphistoma) schmidti" = Pararaphistoma schmidti Koken 1889 snail
 Bellerophontida - Tropidodiscidae
"? Tropidodiscus ogygiae" = Temnodiscus ogygiae
"? Tropidodiscus ogygiae" = Temnodiscus ogygiae Koken and Perner 1925 snail
 Bellerophontida - Sinuitidae
Sinuites (Sinuites) niger Koken 1897 snail
 Bellerophontida - Bellerophontidae
"Temnodiscus sphenonotus" = Joleaudella sphenonotus
"Temnodiscus sphenonotus" = Joleaudella sphenonotus Koken 1897 snail
actually T. imbricatus, a possible synonym
Cephalopoda
 Lituitida - Lituitidae
Lituites lituus2 Montfort 1808