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Checklist for Order Xiphosura Latreille, 1802 (Horseshoe crabs)
and region Middle Devonian (Devonian)


Class
 		Merostomata
Woodward, 1866
Horseshoe crabs, Merostomates		3
5
5		Families
Genera
Species		 
Taxom
 

Order
 		Xiphosura
Latreille, 1802
Horseshoe crabs		1
1
1		Family
Genus
Species		 
Taxom
 


List of families for Middle Devonian
1 Family width 1 Species
Diploaspididae Størmer, 19721SpeciesTaxom


Genera for Middle Devonian
1 Genera with 1 Species
Achanarraspis Anderson, Du..., 20001SpeciesTaxom


Species list for Middle Devonian
1 Species
Achanarraspis reedi ♰ Anderson, Du..., 2000

Subnodes of Xiphosura with occurrences in Middle Devonian
FamilyDiploaspididae ♰
Størmer, 1972
1
1		Genus
Species
Taxom



Links, sources and further information
Xiphosura at horseshoecrab.org
Xiphosura at gbif.org
Xiphosura at irmng.org
Xiphosura at itis.gov
Xiphosura at marinespecies.org