xiphosura

• Nombre científico de un orden de artrópodos marinos que incluye a los cangrejos herradura y a sus parientes extintos.

A scientific noun referring to an order of marine arthropods that includes horseshoe crabs and their extinct relatives.

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1. Horseshoe crabs and extinct formsC2formalscientific

   An order of marine arthropods that includes horseshoe crabs and their extinct relatives, characterized by a hard exoskeleton and a long, pointed tail.

   Xifosuros

   • Xiphosura have existed for over 450 million years.
   • The fossil record of Xiphosura shows little change over time.
   • Modern Xiphosura are often studied for their unique immune system.