Ostøya (Ordovician of Norway)

Where: Baerum, Norway (59.9° N, 10.6° E: paleocoordinates 30.5° S, 9.3° W)

• coordinate estimated from map

When: Pleurograptus linearis graptolite zone, Upper Member (Solvang Formation), Nabala (452.0 - 449.5 Ma)

• "Upper Chasmops limestone", in Owen & Bruton, (1980)

•"Upper part of Solvang Fm.", in Nikolaisen (1983)

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: A. W. Owen and D. L. Bruton. 1980. Late Caradoc-early Ashgill trilobites of the central Oslo Region, Norway. Paleontological Contributions from the University of Oslo. No. 245 245:1-63 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 163197: authorized by Björn Kröger, entered by Björn Kröger on 16.10.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Lichida - Lichidae
Platylichas laxatus McCoy 1846 trilobite
 Trinucleida - Raphiophoridae
Lonchodomas aff. pennatus Latouche 1884 trilobite
Ampyxina sp. Ullrich 1922 trilobite
Ampyxella aculeata Angelin 1854 trilobite
Raymondella sp. Reed 1935 trilobite
 Asaphida - Remopleurididae
Remopleurides variolaris Nikolaisen 1983 trilobite
Remopleurella burmeisteri Bancroft 1949 trilobite
"approx. 2.5 m below top", in Nikolaisen (1983)
 Corynexochida - Styginidae
Stygina minor Skjeseth 1955 trilobite
 Corynexochida - Illaenidae
Stenopareia glaber Kjerulf 1865 trilobite
 Proetida - Aulacopleuridae
Harpidella sp. M'Coy 1849 trilobite
 Phacopida - Encrinuridae
Deacybele gracilis Nikolaisen 1961 trilobite
 Phacopida - Calymenidae
"Flexicalymene jemtlandica" = Flexicalymene (Onnicalymene) jemtlandica
"Flexicalymene jemtlandica" = Flexicalymene (Onnicalymene) jemtlandica Thorslund 1940 trilobite
 Phacopida - Pterygometopidae
Calyptaulax aff. norvegicus Stormer 1945 trilobite