We have collaborated in the study of the "Marine biota of the west coast of Ceará". Ceará state is located in the northern part of the Northeast region of Brazil (see Fig. 1 ). Its coastline is ca.

Introduction. São Paulo, in southeast Brazil, is the largest city in South America and one of the largest megalopolises in the world. It is characterized by an extensive urban sprawl and has a ...

The Ediacaran biota looks alien to us today, but these strange, soft-bodied creatures were the first complex life forms on Earth. Living over 600 million years ago, they broke the mold, moving beyond ...

Geologists have added a new period to their official calendar of Earth's history - the first in 120 years. The Ediacaran Period covers some 50 million years of ancient time on our planet from 600 ...