The study of the canal system of the enigmatic organism Palaeoaplysina Krotov, 1888 suggests a hydrozoan origin for these fossils. It is shown that the Palaeoaplysina canal system consists of three zones and can be interpreted ...

© 2015, Pleiades Publishing, Ltd. The genus Verneuilunio Starobogatov, 1987 (with the type species Naiadites verneuili Amalitzky, 1892) was distinguished from the genus Palaeanodonta Amalitzky, 1895 based on the differences ...

© 2006-2015 Asian Research Publishing Network (ARPN). Variations of δ¹³C, δ¹⁸O, and ⁸⁷Sr/⁸⁶Sr in carbonate rocks and shells of the Permian age at the east of the Russian platform ...