The Schedule D tax worksheet helps investors calculate certain kinds of investment income for the Schedule D form, including depreciated real estate. The Schedule D form tells the IRS when a ...

Many studies over the past twenty years have documented the richness of arthropod galling species around the world, and some have proposed hypotheses to explain local and global patterns of galling ...

The Mosura fentoni was a radiodont, a type of arthropod that lived between 520 to 400 million years ago, according to the United Kingdom's Natural History Museum. A popularly known radiodont is ...

It was likely part of an extinct group of small early arthropods called radiodonts. The three-feet-long predator Anomalocaris canadensis was also a radiodont that shared the water with Mosura.

"Their development is really driven by heat and another important factor for them is to have standing water," said Sarah Hughson, an insect and arthropod diagnostician at Michigan State University.

It belongs to the arthropod group of animals, which accounts for about 84% of all known species that exist today, including insects, spiders and crabs. Palaeontologist Sarah Gabbott explains what ...