The pancreas is an elongated, tapered organ located across the back of the belly, behind the stomach. The right side of the organ—called the head—is the widest part of the organ and lies in the curve ...

This work is an inventory of ferns and lycophytes of remnants in Amazônia Maranhense. The data provided are the results of collections made from 2010-2011 and 2016-2019 in various municipalities of ...

A new fossil discovery suggests that reptiles lived together 20 million years earlier than previously thought.

Find more information on the Altmetric Attention Score and how the score is calculated. Ferns are known to produce onoceroids including onoceranes and serratanes having unusual structures among ...