Dvorecia contempta Community in the Chelm borehole, eastern Poland (Silurian of Poland)

Where: Poland (53.2° N, 23.5° E: paleocoordinates 16.3° S, 2.7° E)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Istrograptus transgrediens zone, Pridoli (423.0 - 419.2 Ma)

Environment/lithology: marine; calcareous mudstone

• "Environment shallow, below wave base, subtidal."
• "Disarticulated adult shells occurring on bedding planes of dark, calcareous mudstone."

Collection methods: Despite distribution, text seems to imply that all faunal elements are found at type locality.

Primary reference: L. Teller and A. J. Boucot. 1999. Polish Ludlow-Lower Devonian communities. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 350-354 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 23027: authorized by Michael Foote, entered by Michael Foote on 08.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Graptolites not included in list of ref. 6629, but the only genus mentioned in ref. 6630 that is in the range of these beds is Pristiograptus.
unclassified
  -
Pterobranchia
 Graptoloidea - Monograptidae
Bivalvia
 Pholadomyida - Edmondiidae
"Astarte cf. primula" = Broeckia primula
"Astarte cf. primula" = Broeckia primula Barrande 1881 clam
 Myalinida - Lunulacardiidae
 Pectinida - Pterinopectinidae
 Ostreida - Pterineidae
Limoptera sp. Hall 1869 oyster
[entered as Limptera sp.]
 Cyrtodontida - Antipleuridae
 Cyrtodontida - Praecardiidae
 Cyrtodontida - Cardiolidae