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Horseshoe crab - Wikipedia


Horseshoe crabs are marine arthropods of the family Limulidae and order Xiphosura or Xiphosurida, that live primarily in and around shallow ocean waters on ...

Facts About Horseshoe Crabs


Ancestors of horseshoe crabs date back over 450 million years--long before the age of the dinosaurs.

www.ask.com/youtube?q=Horseshoe Crabs&v=Bm81EQ2hgVE
Oct 9, 2013 ... Rumors of an alien creature killed in Chelyabinsk Russia spread all over the news. It was no alien but a horseshoe crab, a prehistoric living ...

10 Hard-Shelled Facts About Horseshoe Crabs | Mental Floss


Sep 21, 2015 ... This makes it the world's oldest-known horseshoe crab. Four species are with us today, all of which closely resemble their long-extinct ...

Horseshoe Crab - National Wildlife Federation


Learn about the biology, range and behaviors of the horseshoe crab.

The Horseshoe Crab: Natural History, Anatomy, Conservation and ...


A comprehensive exploration of horseshoe crab natural history, anatomy and conservation: contains research and educational material, plus collections of ...

How horseshoe crabs may have saved your life | Deep Sea News


Aug 22, 2013 ... Of course, horseshoe crabs aren't that expensive, but their blood is. One quart of horseshoe crab blood costs around fifteen thousand dollars [1] ...

Horseshoe crab videos, photos and facts - Limulus polyphemus ...


The horseshoe crab (Limulus polyphemus) is a 'living fossil': forms almost identical to this species were present during the Triassic period 230 million years ago, ...

Are horseshoe crabs really crabs? - NOAA's National Ocean Service


Horseshoe crabs are “living fossils” more closely related to spiders and scorpions than they are to crabs.

National Aquarium | Horseshoe Crab


The horseshoe crab is a living fossil with a dark brown, hinged protective shell and long tail, called a telson.

horseshoe crab
a large marine arthropod, Limulus polyphemus, of shallow coastal waters of eastern North America and eastern Asia, having both compound and simple eyes, book gills, a stiff tail, and a brown carapace curved like a horseshoe: a living fossil related to the woodlouse.
Source: Dictionary.com
horseshoe crab | Define horseshoe crab at Dictionary.com
dictionary.reference.com/browse/horseshoe crab
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