A NEW LAND SNAIL FROM THE QUATERNARY OF MALLORCA (BALEARIC ISLANDS, WESTERN MEDITERRANEAN): DARDERIA BELLVERICA N. GEN., N. SP. (GASTROPODA, PULMONATA, HELICODONTIDAE)

A new genus and species Servo of land snail is described from pre-human paleosoils at Bellver hill in the island of Mallorca.It is a medium-sized helicodontid with 6 tight coils, dome-shaped spire, obtuse peripheral keel, eccentric umbilicus, narrow aperture inclined forward, sinuous reflected peristome, a low angular tooth, 5 infrapalatal denticle

The current trend of globalization of the world economy necessitates the use of high-tech developments and innovations that allow achieving strategic goals at the national, regional, and sectoral levels.The prerequisites of the study are determined by the urgency of finding solutions to problematic issues of formation and implementation of priority

Abstract Background Extrahepatic bile duct duplication is an extremely rare congenital anomaly in read more which two common bile ducts exist.There are five different types of this anomaly and we present an unusual variant of duplication of an extrahepatic biliary system of type Va variety.Case presentation This case report describes a 63-year-old