VOLUNTARY AND MANDATORY USE OF FACE MASK BY PEDESTRIANS IN GUATEMALA CITY DURING THE COVID-19 PANDEMIC



A NEW COELACANTH SPECIMEN WITH ELONGATE RIBS FROM THE MIDDLE TRIASSIC (LADINIAN) KALKSCHIEFERZONE OF MONTE SAN GIORGIO (CANTON TICINO, SWITZERLAND)

A new finding of a coelacanth from the upper Ladinian upper Kalkschieferzone of the Meride Limestone Formation of Monte San Giorgio (UNESCO World Heritage area) is described.It represents the first known coelacanth from the Middle Triassic that undoubtedly bears elongate thin ribs.The incompleteness Brown Seaweed of the specimen prevents a reliable

read more