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


Class
 		Merostomata
Woodward, 1866
Horseshoe crabs, Merostomates		2
2
2		Families
Genera
Species		 
Taxom
 

Order
 		Xiphosura
Latreille, 1802
Horseshoe crabs		2
2
2		Families
Genera
Species		 
Taxom
 


List of families for Middle Triassic
2 Families width 2 Species
Austrolimulidae Riek, 19681SpeciesTaxom
Heterolimulidae Vía Boada & ..., 19661SpeciesTaxom


Genera for Middle Triassic
2 Genera with 2 Species
Austrolimulus Riek, 19551SpeciesTaxom
Heterolimulus Via Boada & ..., 19661SpeciesTaxom


Species list for Middle Triassic
2 Species
Austrolimulus fletcheri ♰ Riek, 1955
Heterolimulus gadeai ♰ Via Boada & ..., 1966

Subnodes of Xiphosura with occurrences in Middle Triassic
SuborderXiphosurida ♰
Pearce, 1936
2
2
2		Families
Genera
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