Late Changhsingian foraminifers of the northwestern Caucasus

Small foraminifers and fusulinaceans from Upper Permian strata in the Bolshaya and Malaya Laba, and Belaya river basins in the Peredovoy Range of the Northwestern Caucasus have been restudied. New age data show that they are clearly Late Changhsingian in age. The foraminifers occur in rocks in isola...

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Bibliographic Details
Published in:Micropaleontology 2001, Vol.47 (3), p.205-234
Main Authors: Pronina-Nestell, Galina P, Nestell, Merlynd K
Format: Article
Language:English
Subjects:
Abadehella grandis
Agathammina psebaensis
assemblages
biostratigraphy
biozones
Caucasus
Changhsingian
Changhsingian age
Commonwealth of Independent States
correlation
Europe
faunal list
Foraminifera
Fusulinaceae
Fusulinina
Genera
Geology
Graecodiscus kotlyarae
Hemigordius nikitinensis
Holotypes
Illustrative plates
Invertebrata
Langella malalabensis
Lithofacies
marine environment
microfossils
Midiella karinae
morphology
new taxa
Northern Caucasus
Orientalism
Paleozoic
Peredovoy Range
Permian
Protista
Pseudocolaniella longa
Pseudomidiella labensis
Ravines
River basins
Russian Federation
Specimens
Stratigraphy
taxonomy
Upper Permian
Urushtenella latebrosa
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Description
Summary:Small foraminifers and fusulinaceans from Upper Permian strata in the Bolshaya and Malaya Laba, and Belaya river basins in the Peredovoy Range of the Northwestern Caucasus have been restudied. New age data show that they are clearly Late Changhsingian in age. The foraminifers occur in rocks in isolated outcrops that include bedded limestone, biohermal buildups, and terrigenous clastics. Many foraminiferal species previously described by K. Miklukho-Maklay in 1954 are here revised and redescribed based on specimens from some of the same sections. Nine new species and two new genera of small foraminifers are described. The foraminifer assemblage is correlated with similar coeval associations in South China, the South Primorye, Pamirs, and Transcaucasia.
ISSN:0026-2803
1937-2795
DOI:10.2113/47.3.205