Pentamerus oblongiformis Community, Early Ludlow, W Pribalkhash Region (Silurian of Kazakhstan)

Where: Kazakhstan (47.0° N, 75.0° E: paleocoordinates 7.9° S, 68.7° E)

• coordinate based on political unit

• basin-level geographic resolution

When: Ludlow (427.4 - 423.0 Ma)

• Lower part of Akkan Regional Stage.

Environment/lithology: marine; gray limestone and siltstone

• "Specimens chiefly disarticulated...Rough water, soft bottom, BA 3."
• "Occurs in gray, medium-bedded organogenic, commonly coarsely nodular limestones interbedded with aleurolite (siltstone) and calcareous sandstone belonging to the lower part of the Akkan Regional Stage."

Primary reference: V. P. Sapelnikov, O. V. Bogoyavlenskaya, L. I. Mizens and V. P. Shuysky. 1999. Silurian and Early Devonian benthic communities of the Ural-Tien Shan region. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 510-544 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 23754: authorized by Michael Foote, entered by Michael Foote on 19.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Sowerbyellidae
Eoplectodonta sp. Kozlowski 1929
 Strophomenida - Leptestiidae
"Leangella segmentum" = Leangella (Leangella) segmentum
"Leangella segmentum" = Leangella (Leangella) segmentum Lindstrom 1861
 Strophomenida - Rafinesquinidae
"Leptaena depressa" = Leptaena (Leptaena) depressa
"Leptaena depressa" = Leptaena (Leptaena) depressa Sowerby 1824
 Strophomenida - Strophonellidae
Rhynchonellata
 Spiriferida - Cyrtiidae
Janius exsul Barrande 1848
 Pentamerida - Subrianidae
Conchidium sp. Oehlert 1887
 Pentamerida - Pentameridae
 Atrypida - Lissatrypidae
Lissatrypa atheroidea Twenhofel 1914
 Orthida - Rhipidomellidae
Dalejina hybrida Sowerby 1839
 Orthida - Hesperorthidae
Dolerorthis rustica Sowerby 1839
Anthozoa
 Favositida - Favositidae
Favosites stepanovi tabulate coral
 Favositida - Multisoleniidae
Multisolenia tortuosa Fritz 1937 tabulate coral
 Heliolitida - Heliolitidae
Heliolites bellus tabulate coral