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Nestor, V., 1984a

Nestor, V. 1984. Distribution of Chitinozoans in the Late Llandoverian Rumba Formation (Pentamerus Oblongus Beds) of Estonia. Review of Palaeobotany and Palynology 43 (1-3), 145-153. | DOI | DETAILS

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ID482
ReferenceNestor, V., 1984a
AuthorNestor, V.
Year1984
TitleDistribution of Chitinozoans in the Late Llandoverian Rumba Formation (Pentamerus Oblongus Beds) of Estonia
JournalReview of Palaeobotany and Palynology
Volume43
Number1-3
pgs.145-153
Source typearticle in journal
LanguageEnglish
Remarks2 fototahvlit
DOI10.1016/0034-6667(84)90030-7
Abstract

The Pentamerus oblongus beds or the Rumba Formation in Estonia were formed during the initial stage of the extensive Late Llandoverian transgression. A remarkable taxonomic diversity despite only a relatively low number of specimens is a characteristic feature of the chitinozoan assemblage of this formation. Through the Rumba Formation succession the species composition is rather uniform. Correlations of the Rumba Formation with some sequences in other areas are made mainly on the basis of the presence of Conochitina aff. proboscifera, Eisenackitina dolioliformis and species of Cyathochitina.


Sections studied or mentioned

Localitypgs.Figs.Remarks
Ikla borehole150Raikküla-Adavere lade
Kirikuküla borehole150Raikküla-Adavere lade
Vängla trench
Varbla 502 borehole150Raikküla-Adavere lade

Photos

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<i><i>Ancyrochitina</i> | Ancyrochitina aff. sp. A Nestor, 1984</i><br />Vängla trench, m, Adavere Stage (223-19) <i><i>Ancyrochitina ancyrea</i></i><br />Vängla trench, m, Adavere Stage (223-16) <i><i>Ancyrochitina</i> | Ancyrochitina cf. rumbaensis Nestor, 1994</i><br />Vängla trench, m, Adavere Stage (223-5) <i><i>Ancyrochitina rumbaensis</i></i><br />Ikla borehole, 309.20 m, Adavere Stage (223-14) <i><i>Ancyrochitina rumbaensis</i></i><br />Varbla 502 borehole, 159.50 m, Adavere Stage (223-15) <i><i>Chitinozoa</i> | Conochitina aff. emmastensis Nestor, 1982</i><br />Varbla 502 borehole, 155.00 m, Adavere Stage (223-18) <i><i>Chitinozoa</i> | Conochitina cf. iklaensis Nestor, 1980</i><br />Sõru 400 borehole, 34.56 m, Adavere Stage (223-1) <i><i>Conochitina emmastensis</i></i><br />Vängla trench, m, Adavere Stage (223-17) <i><i>Conochitina praeproboscifera</i></i><br />Vängla trench, m, Adavere Stage (223-10) <i><i>Conochitina praeproboscifera</i></i><br />Vängla trench, m, Adavere Stage (223-11) <i><i>Conochitina praeproboscifera</i></i><br />Ikla borehole, 305.50 m, Adavere Stage (223-4) <i><i>Conochitina praeproboscifera</i></i><br />Varbla 502 borehole, 160.15 m, Adavere Stage (223-8) <i><i>Conochitina praeproboscifera</i></i><br />Vängla trench, m, Adavere Stage (223-9) <i><i>Chitinozoa</i> | Conochitina sp. 4 Nestor, 1984</i><br />Sõru 400 borehole, 37.30 m, Adavere Stage (223-13) <i><i>Chitinozoa</i> | Conochitina sp. 4 Nestor, 1984</i><br />Pulli 1 borehole, 59.80 m, Adavere Stage (223-3) <i><i>Chitinozoa</i> | Conochitina sp. 5 Nestor, 1984</i><br />Vängla trench, m, Adavere Stage (223-24) <i><i>Chitinozoa</i> | Conochitina? sp. 1 Nestor, 1984</i><br />Varbla 502 borehole, 154.70 m, Adavere Stage (223-12) <i><i>Chitinozoa</i> | Conochitina? sp. 3 Nestor, 1984</i><br />Kirikuküla borehole, 25.60 m, Adavere Stage (223-23) <i><i>Eisenackitina dolioliformis</i></i><br />Pulli 1 borehole, 59.80 m, Adavere Stage (223-7) <i><i>Eisenackitina dolioliformis</i></i><br />Pulli 1 borehole, 59.80 m, Adavere Stage (223-7) <i><i>Eisenackitina dolioliformis</i></i><br />Varbla 502 borehole, 141.35 m, Adavere Stage (223-6) <i><i>Plectochitina ralphi</i></i><br />Vängla trench, m, Adavere Stage (223-20) <i><i>Plectochitina ralphi</i></i><br />Vängla trench, m, Adavere Stage (223-21) <i><i>Plectochitina ralphi</i></i><br />Vängla trench, m, Adavere Stage (223-22) <i><i>Spinachitina</i> | Spinachitina cf. maennili (Nestor, 1980)</i><br />Ruhnu 500 borehole, 489.45 m, Adavere Stage (223-2)