Horseshoe Crab With Human Eyes
North carolina state university summary.
Horseshoe crab with human eyes. The horseshoe crab limulus polyphemus is a living fossil. Forms almost identical to this species were present during the trias. The american horseshoe crab is a common sight on floridas beaches. Many people have seen horseshoe crabs but do not realize they are looking at one of the oldest.
A very accurate miniature replica of a real horseshoe crab. Puzzled by reviewers complaining that this little creature is too small. The seller clearly describes it. Discovered in 2008 the 25 millimeter wide lunataspis aurora crawled over manitoba 445 million years ago.
This makes it the worlds oldest known horseshoe crab. Eyes are organs of the visual system. They provide organisms with vision the ability to receive and process visual detail as well as enabling several photo response. Turning freshwater farm ponds into crab farms date.
October 15 2008 source.