Lan' (Devonian of Belarus)

Where: Belarus (52.2° N, 27.3° E: paleocoordinates 12.9° S, 15.7° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: hermanni-cristatus conodont zone, Lan' Formation, Late/Upper Givetian (380.2 - 382.7 Ma)

• Lan' regional superstage, equivalent to Gauja/Amata regional stages in Estonia and Latvia

•Ancyrospora incisa - Geminospora micromanifesta miospore zone

Environment/lithology: marginal marine; fine-grained mudstone and siltstone

Size class: macrofossils

Primary reference: E. Mark-Kurik. 2000. The Middle Devonian fishes of the Baltic States (Estonia, Latvia) and Belarus. In A. Blieck, S. Turner (eds.), CFS Courier Forschungsinstitut Senckenberg 223:309-324 [E. Dunne/S. Fasey]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 225888: authorized by Emma Dunne, entered by Sophie Fasey on 07.06.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Pteraspidomorpha
 Pteraspidiformes - Psammosteidae
Psammosteus praecursor Obruchev 1947
Osteichthyes
 Dipteriformes - Dipteridae
Dipteridae indet. Owen 1846 lungfish
 Dipnomorpha - Holoptychiidae
Glyptolepis sp. Agassiz 1843 lobe-finned fish
Holoptychius sp. Agassiz 1843 lobe-finned fish
 Cheirolepidiformes - Cheirolepididae
Cheirolepis "sp. 2 Kar.-Tal." Agassiz 1835 ray-finned fish
Actinopteri
  -
? Moythomasia sp. Gross 1950
Osteichthyes
 Palaeonisci -
Placodermi
 Antiarcha - Bothriolepidae
Bothriolepis sp. Eichwald 1840 armour-plated fish
 Arthrodira - Coccosteidae
? Plourdosteus sp. Orvig 1951 armour-plated fish
Plourdosteus livonicus Eastman 1896 armour-plated fish
 Ptyctodontida -
Ptyctodontida indet. Gross 1932 armour-plated fish
 Ptyctodontida - Ptyctodontidae
? Ctenurella sp. Ørvig 1960 armour-plated fish
Chondrichthyes
 Diplacanthiformes -
Devononchus concinnus Gross 1940 spiny fish