Acastella elsana-A. tiro Zone fauna of Strzelce IG-2 section (Devonian of Poland)

Where: Poland (50.5° N, 21.1° E: paleocoordinates 41.9° S, 56.7° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Lochkovian (419.2 - 410.8 Ma)

Environment/lithology: marine; gray, calcareous claystone

• "...grey claystones, somewhat marly, their carbonate content increasing upwards, and the associated fauna becomes more abundant and diversified..."

Collection methods: core

• Because faunal lists not complete for A. tiro zone (said mainly to be similar to A. elsana fauna), I have combined the two zones.

Primary reference: H. Tomczyk, M. Pajchlowa, and E. Tomczykowa. 1977. Poland. In A. Martinsson (ed.), The Silurian-Devonian boundary (IUGS Series A, No. 5) 65-83 [M. Foote/M. Foote/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 13890: authorized by Michael Foote, entered by Michael Foote on 30.04.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Crinoidea
 Monobathrida - Scyphocrinitidae
Scyphocrinites sp. Zenker 1833 Sea lily
Pterobranchia
 Graptoloidea - Cryptograptidae
Linograptus sp. graptolite
 Graptoloidea - Monograptidae
Monograptus sp. graptolite
Monograptus cf. uniformis Pribyl 1940 graptolite
Lingulata
 Lingulida - Discinidae
Orbiculoidea sp. d'Orbigny 1847
Strophomenata
 Strophomenida - Sowerbyellidae
"Plectodonta mariae" = Plectodonta (Plectodonta) mariae
"Plectodonta mariae" = Plectodonta (Plectodonta) mariae Kozlowski 1929
 Strophomenida - Strophodontidae
"Stropheodonta subsinterstrialis" = Strophomena (Strophodonta)
"Stropheodonta subsinterstrialis" = Strophomena (Strophodonta)
 Strophomenida - Shaleriidae
Shaleria sp. Caster 1939
 Strophomenida - Amphistrophiidae
Rhynchonellata
 Pentamerida - Gypidulidae
 Spiriferida - Delthyrididae
 Athyridida - Rhynchospirinidae
 Protorthida - Skenidiidae
 Orthida - Dalmanellidae
Isorthis sp. Kozlowski 1929
 Lophophorata -
Tentaculitida indet. Ljaschenko 1955
Cephalopoda
 Orthocerida - Orthoceratidae
Orthoceras sp. Breynius 1832
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Bivalvia
 Nuculanida - Cucullellidae
 Myalinida - Lunulacardiidae
 Cardiidia - Grammysiidae
 Unioni - Lyrodesmatidae
Lyrodesma sp. Conrad 1841 clam
Ostracoda
 Beyrichicopida - Bolliidae
 Podocopida - Healdiidae
Healdia sp. Roundy 1926 ostracod
 Podocopida - Bairdiocyprididae
Cytherellina sp. Jones and Holl 1869 ostracod
Trilobita
 Phacopida - Acastidae
Acastella sp. Reed 1925 trilobite
Acastella elsana trilobite
Acastella tiro trilobite