Dayia bohemica-Anisotrypa callosa Comm., Kustin Formation, SW Byelorussia (Silurian of Belarus)

Where: Belarus (52.0° N, 24.0° E: paleocoordinates 17.0° S, 3.8° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Kustin Formation, Pridoli (423.0 - 419.2 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; dolomitic, gray, green shale and dolomitic, gray, green marl

• "regressive, possibly lagoonal conditions...coquinas...quiet water suggested by articulated shells..soft laminated marls without traces of currrent acitivty...BA 3 in Britain and Gotland...BA 4 in Lithuania...Our data, and the transition to possibly brackish conditions upwards, are consistent with BA 3."
• "...dolomitic, greenish-gray shale and marl"

Collection methods: core

• Abundances given for dominant brachiopods and bryozoans.

Primary reference: V. I. Pushkin and T. L. Modzalevskaya. 1999. Silurian and Lower Devonian brachiopod and bryozoan communities of southwestern Byelorussia. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 496-509 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 23649: authorized by Michael Foote, entered by Michael Foote on 18.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Calymenidae
Strophomenata
 Productida - Strophochonetidae
Strophochonetes sp. Muir-Wood 1962
 Orthotetida - Chilidiopsidae
 Strophomenida - Shaleriidae
"Shaleriella tenuis" = Shaleria (Shaleriella)
"Shaleriella tenuis" = Shaleria (Shaleriella)
Rhynchonellata
 Athyridida - Dayiidae
 Athyridida - Rhynchospirinidae
Homoeospira baylei Davidson 1848
 Atrypida - Atrypidae
 Rhynchonellida - Trigonirhynchiidae
Hemitoechia sp. Nikiforova 1970
 Orthida - Rhipidomellidae
Dalejina sp. n. sp.
Dalejina sp. n. sp. Havlicek 1953
sp. nov. 1
 Orthida - Dalmanellidae
"Isorthis canaliculata" = Levenea canaliculata Lindström 1861
Resserella sp. Bancroft 1928
 Orthida - Hesperorthidae
Bivalvia
  -
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam
steinkerns
Gastropoda
  -
Gastropoda indet. Cuvier 1797 snail
steinkerns
Stenolaemata
 Trepostomida -
 Cystoporida - Fistuliporidae
 Cystoporata - Xenotrypidae
unclassified
  -
Vertebrata indet. Lamarck 1801
fragmentary fish scales
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
stem segments
Anthozoa
 Auloporida - Syringoporidae
Syringopora meandrica tabulate coral
 Stauriida - Ptenophyllidae
unclassified
  -
Plantae indet. Haeckel 1866
limonized remains