MDF Viljandi (Devonian of Estonia)

Where: Estonia (59.4° N, 25.1° E: paleocoordinates 9.6° S, 9.1° E)

• coordinate based on political unit

• local area-level geographic resolution

When: hemiansatus conodont zone, Viljandi Member (Aruküla Formation), Early/Lower Givetian (388.1 - 383.7 Ma)

• Aruküla regional stage, Viljandi substage

Environment/lithology: fluvial-deltaic; lithology not reported

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 225804: authorized by Emma Dunne, entered by Sophie Fasey on 01.06.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Pteraspidomorpha
  -
 Psammosteiformes - Pycnosteidae
 Pteraspidiformes - Psammosteidae
Gnathostomata
  -
Chondrichthyes indet. Huxley 1880 cartilaginous fish
Chondrichthyes
 Diplacanthiformes - Diplacanthidae
Osteichthyes
 Palaeonisciformes -
Orvikuina sp. Gross 1953
 Dipnomorpha - Holoptychiidae
Holoptychiidae "n. gen. 1 Ahlberg" Owen 1859 lobe-finned fish
Glyptolepis spp. Agassiz 1843 lobe-finned fish
 Dipnoi - Rhinodipteridae
Rhinodipterus sp. Gross 1956 lungfish
 Dipteriformes - Dipteridae
Dipterus spp. Sedgwick and Murchison 1828 lungfish
 Osteolepiformes - Gyroptychiidae
Gyroptychius pauli Vorobyeva 1977 lobe-finned fish
 Cheirolepidiformes - Cheirolepididae
Cheirolepis spp. Agassiz 1835 ray-finned fish
Placodermi
 Arthrodira -
Homostius latus armour-plated fish
 Arthrodira - Coccosteidae
? Dickosteus grossi armour-plated fish
 Arthrodira - Holonematidae
Holonema obrutshevi Mark 1953 armour-plated fish
 Antiarchiformes - Asterolepididae
Asterolepis estonica Gross 1940 armour-plated fish
Byssacanthus dilatatus Eichwald 1844 armour-plated fish
Petromyzontida
 Cephalaspidida -
Cephalaspidida indet. Moy-Thomas and Mile 1971