All

New articles that are not yet categorized.

Spot-tail shark

The spot-tail shark, or sorrah shark, is a species of requiem shark, in the family Carcharhinidae. They are found in the tropical Indo-West Pacific Ocean between latitudes 31°N and 31°S, from the surface to a depth around 72 m (236 ft). This shark grows to about 1.6 m (5 ft 3 in). It is fished

Spot-tail shark Read More »

Cardamine micranthera

Cardamine micranthera is a rare species of flowering plant in the mustard family known by the common names small-anthered bittercress and streambank bittercress. It is endemic to the Piedmont region around the border between Virginia and North Carolina, particularly in the Dan River watershed. It is in decline mainly because its habitat has been disturbed

Cardamine micranthera Read More »

Blastoid

Blastoids are an extinct type of stemmed echinoderm, often referred to as sea buds. They first appear, along with many other echinoderm classes, in the Ordovician period, and reached their greatest diversity in the Mississippian subperiod of the Carboniferous period. However, blastoids may have originated in the Cambrian. Blastoids persisted until their extinction at the

Blastoid Read More »