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Checklist for Suborder Synziphosurida Bergstrom, 1968
and region Lower Devonian (Devonian)


Class
 		Merostomata
Woodward, 1866
Horseshoe crabs, Merostomates		12
35
49		Families
Genera
Species		 
Taxom
 

Order
 		Xiphosura
Latreille, 1802
Horseshoe crabs		4
9
8		Families
Genera
Species		 
Taxom
 

Suborder
 		Synziphosurida ♰
Bergstrom, 1968
1
3
4		Family
Genera
Species		 
Taxom
 


List of families for Lower Devonian
1 Family width 4 Species
Weinberginidae Richter & Ri..., 19294SpeciesTaxom


Genera for Lower Devonian
3 Genera with 4 Species
Legrandella Eldredge, 19742SpeciesTaxom
Weinbergina Richter & Ri..., 19291SpeciesTaxom
Willwerathia Stormer, 19361SpeciesTaxom


Species list for Lower Devonian
4 Species
Legrandella lombardi ♰ Eldredge, 1974
Legrandella lombardii ♰ (Eldredge, 1974)⇒ Legrandella lombardi Eldredge, 1974
Weinbergina opitzi ♰ Richter & Ri..., 1929
Willwerathia laticeps ♰ Stormer, 1936

Subnodes of Synziphosurida with occurrences in Lower Devonian
FamilyWeinberginidae ♰
Richter & Richter, 1929
3
4		Genera
Species
Taxom