Hiiumaa (Ordovician of Estonia)

Where: Hiiumaa, Estonia (58.9° N, 22.7° E: paleocoordinates 29.4° S, 2.0° W)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Tanuchitina bergstroemi other zone, Korgessaare Formation (Lyckholm Group), Vormsi (452.0 - 445.6 Ma)

• Pleurotgraptus linearis graptolite zone.

• formation-level stratigraphic resolution

Environment/lithology: open shallow subtidal; limestone

Size class: macrofossils

Collection methods: SPbGU = Geological-stratigraphical Museum of Sankt Petersburg State University

Primary reference: F. Schmidt. 1881. Revision der ostbaltischen silurischen Trilobiten. Abtheilung I: Phacopiden, Cheiruriden und Encrinuriden. Mémoires de L'Académie Impériale des Sciences de Saint-Petersbourg, Series 7 30(1):1-237 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 153965: authorized by Pete Wagner, entered by Pete Wagner on 20.01.2014, edited by Björn Kröger

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Pterygometopidae
"Phacops (Chasmops) eichwaldi n. sp." = Valdariops eichwaldi2
"Phacops (Chasmops) eichwaldi n. sp." = Valdariops eichwaldi2 Schmidt 1881 trilobite
 Phacopida - Cheiruridae
"Cheirurus (Pseudosphaerexochus) conformis" = Pseudosphaerexochus conformis
"Cheirurus (Pseudosphaerexochus) conformis" = Pseudosphaerexochus conformis Angelin 1854 trilobite
Bivalvia
 Cardiida - Glauconomidae
Glauconome plumula1 Wiman 1902 clam
Stenolaemata
 Cyclostomata - Corynotrypidae
Corynotrypa abrupta1 Bassler 1911
 Cystoporida - Fistuliporidae
Chilotrypa immatura1 Bassler 1911
 Cryptostomata - Rhinidictyidae
 Cryptostomata - Escharoporidae
Graptodictya obliqua1 Bassler 1911
 Cryptostomata - Arthrostylidae
Nematopora fragilis1 Ulrich 1890
 Trepostomata - Halloporidae
Dianulites collifera1 Bassler 1911
Dianulites sulcatus1 Dybowski 1877
Diplotrypa petropolitana1 Nicholson 1879
 Trepostomata - Amplexoporidae
Anaphragma mirabile1 Ulrich and Bassler 1904
 Trepostomata - Monticuliporidae
Orbignyella expansa1 Bassler 1906
Orbignyella expansa baltica
Monticulipora dagoensis1 Bassler 1911
Dittopora colliculata1 Eichwald 1856