Lyckholm Formation Cephalopods, East Baltic Region (Ordovician of Estonia)

Where: Estonia (60.0° N, 25.0° E: paleocoordinates 29.0° S, 1.2° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Lyckholm Formation, Late/Upper Ordovician (458.4 - 443.8 Ma)

Environment/lithology:

Size class: macrofossils

Primary reference: A. K. Miller, W. Youngquist, and C. Collinson. 1954. Ordovician cephalopod fauna of Baffin Island. Geological Society of America Memoir 62:1-234 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24175: authorized by Steven Holland, entered by Tori Hanson on 01.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
? Cytorizoceras sp.
Cephalopoda
 Pseudorthocerida - Spyroceratidae
Spyroceras sp.
Spyroceras sp. Hyatt 1884
 Endocerida - Endoceratidae
Endoceras sp.
Endoceras sp. Hall 1847
 Multiceratoidea - Apsidoceratidae
Charactoceras sp.
Charactoceras sp. Foerste 1924
 Discosorida - Cyrtogomphoceratidae
? Cyrtogomphoceras sp.
 Discosorida - Westonoceratidae
? Winnipegoceras sp.
? Winnipegoceras sp. Foerste 1928
 Tarphycerida - Trocholitidae
Discoceras sp.
Discoceras sp. Barrande 1867
 Oncocerida - Diestoceratidae
Diestoceras sp.
Diestoceras sp. Foerste 1924
 Orthocerida - Tripteroceratidae
? Allumettoceras sp.
? Allumettoceras sp. Foerste 1926
 Actinocerida - Ormoceratidae
Ormoceras sp.
Ormoceras sp. Stokes 1840
 Actinocerida - Actinoceratidae
Kochoceras sp.
Kochoceras sp. Troedsson 1926