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Jurassic Forum » JURASSIC references & paper reviews » Jurassic around the world » Zaton M., Taylor P.D. (2010) (Bathonian bryozoans from the Polish Jura)
Zaton M., Taylor P.D. (2010)
mhornДата: Saturday, 29.05.2010, 01:03 | Сообщение # 1
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Zaton M., Taylor P.D. (2010) Bathonian (Middle Jurassic) cyclostome bryozoans from the Polish Jura // Bulletin
of Geosciences 85(2), xxx–xxx (16 figures).
pdf: http://www.geology.cz/bulleti....lor.pdf
Cyclostome bryozoan assemblages encrusting bivalve shells and oncoliths, as well as coming from the host sediment,
are described from the Bathonian (Middle Jurassic) ore-bearing clays of the Polish Jura. In total, 16 species belonging to
the genera Stomatopora, Proboscinopora?, Microeciella, Reptomultisparsa, Hyporosopora, Mecynoecia, Ceriocava
and unidentified ‘entalophorids’ are described. Twelve taxa could not be determined with certainty to species level. Two
species are described as new: Reptomultisparsa kawodrzanensis sp. nov. and Mecynoecia kaimi sp. nov. The diagnosis
of Hyporosopora bugajensis Zatoń & Taylor, 2009a is emended. Combining the diversity data both from this and a previously published paper, a total of 29 species of cyclostome bryozoans are now known from the Bathonian of the Polish
Basin, a stratigraphical stage during which the cyclostomes attained their peak-diversity for the Jurassic. This species
richness is comparatively high, approaching the maximum recorded for a Jurassic assemblage, which is 33 species in the
Bathonian of Normandy, France where the bryozoans are associated with sponge bioherms and hardgrounds as well as
oncoliths and shells of bivalves and brachiopods.


Middle Jurassic - Lower Cretaceous ammonites & aptychi
 
Jurassic Forum » JURASSIC references & paper reviews » Jurassic around the world » Zaton M., Taylor P.D. (2010) (Bathonian bryozoans from the Polish Jura)
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