The main groups of spider developed about 200 million years ago, in the Triassic period. Spider-like arachnids are known from towards 400 million years ago, and some true Spiders are known from about 300 million years ago in the Carboniferous period.
The spiders are part of the Arthropod family, which dates back to the Cambrian era, 500 - 600 million years ago.
"Arthropods have been around for more than 500 million years and are still evolving."
-The Arthropod Story(tolweb.org)
The first arachnid appeared in the fossil record about 400 million years ago, give or take a few tens of millions of years. It was during the Silurian period.
They were probably around when people first showed up- literally, millions of years.
About 350 million years
1812
spiders have been around for hundreds of years and no one knew what they were so ya spiders are very old
spiders were the first predators to walk on land starting more then 350 million years ago. They were even alive before T. Rex's.
gatoraty spiders (gat-or-Aty) are most commonly known to live in mammoth cave although... hunta spiders have been seen around that area.
how long has deforestation been around
As long as guns have been around.
how long has the london eye been around for
As long as So Random has been around.
yes spiders see all around but they can see clearly that much
yes in fact some dinosaurs ate these spiders.
There are around 34,000 different species of spiders.
A silverfish is an ancient insect which has been around about 300 million years. It is not an arachnid which include spiders.
All spiders except daddy long legs because they aren't spiders.