Holmenskjaeret, Langåra Formation (Ordovician to of Norway)

Where: Norway (59.9° N, 10.5° E: paleocoordinates 30.1° S, 9.3° W)

• coordinate estimated from map

When: Langåra Formation, Rawtheyan to Rawtheyan (448.8 - 443.4 Ma)

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: D. L. Bruton and A. W. Owen. 1988. Norwegian Upper Ordovician illaenid trilobites. Norsk Geologisk Tidsskrift 68:241-258 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 162225: authorized by Björn Kröger, entered by Björn Kröger on 21.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Bellerophontida - Bellerophontidae
Cymbularia bullatus1 Koken and Perner 1925 snail
Bivalvia
 Nuculida - Praenuculidae
Similodonta spjeldnaesi3 Soot-Ryen and Soot-Ryen 1960 clam
 Myalinida - Ambonychiidae
"Cleionychia aff. rhomboidea" = Clionychia rhomboidea3
"Cleionychia aff. rhomboidea" = Clionychia rhomboidea3 Ulrich 1892 clam
 Cyrtodontida - Cyrtodontidae
Cyrtodontula cf. truncata3 Ulrich 1890 clam
 Modiomorphida - Modiomorphidae
Modiolopsis exilis3 Billings 1874 clam
Modiolopsis leptaenarum3 Isberg 1934 clam
Trilobita
 Corynexochida - Illaenidae
Illaenus (Parillaenus) roemeri Murchison 1839 trilobite
1 specimen
"Stenopareia linnarssoni" = Illaenus linnarssoni Holm 1882 trilobite
2 specimen
 Proetida - Tropidocoryphidae
Stenoblepharum norvegicum2 Owens 1973 trilobite
 Proetida - Dimeropygidae
Mesotaphraspis sp.2 Whittington and Evitt 1953 trilobite
 Phacopida - Encrinuridae
Erratencrinurus kiaeri2 Owen 1981 trilobite
Erratencrinurus (Celtencrinurus) kiaeri
 Asaphida - Remopleurididae
Remopleurides nikolaiseni2 Owen 1981 trilobite
 Lichida - Lichidae
Amphilichas lineatus2 Angelin 1854 trilobite
 Odontopleurida - Odontopleuridae
Miraspis sp.2 Richter and Richter 1917 trilobite