Xiphosura

Suborder Xiphosurida Xiphosura were traditionally placed in the class Merostomata, although this term was intended to encompass also the eurypterids, whence it denoted what is now known to be an unnatural (paraphyletic) group. Although the name Merostomata is still seen in textbooks, without reference to the Eurypterida, some have urged that this ...
Found on http://en.wikipedia.org/wiki/Xiphosura

Xiphosura

• (n. pl.) See Xiphura.
Found on http://thinkexist.com/dictionary/meaning/xiphosura/

Xiphosura

order Xiphosura noun horseshoe crabs and extinct forms
Found on https://www.encyclo.co.uk/local/20974

Xiphosura

Xiph`o·su'ra noun plural See Xiphura .
Found on http://www.encyclo.co.uk/webster/X/2

Xiphosura

Xiphosura are the king-crabs order of Arachnida. They are aquatic animals with gill-books.
Found on http://www.probertencyclopaedia.com/browse/BX.HTM

Xiphosura

[n] - horseshoe crabs and extinct forms
Found on http://www.webdictionary.co.uk/definition.php?query=Xiphosura
No exact match found