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Checklist for Subfamily Venzavellinae Gailite, 1967
and region Ludlow (Silurian)


Class
 		Ostracoda
Latreille, 1802
Mussel shrimps, Ostracods, Seed Shrimps		20
65
141		Families
Genera
Species		 
Taxom
 

Order
 		Beyrichicopida
Pokorny, 1954
8
38
104		Families
Genera
Species		 
Taxom
 

Suborder
 		Palaeocopa
Henningsmoen, 1953
4
31
91		Families
Genera
Species		 
Taxom
 

Superfamily
 		Primitiopsacea
Swartz, 1936
1
12
29		Family
Genera
Species		 
Taxom
 
FamilyPrimitiopsididae
Swartz, 1936
12
29		Genera
Species		 
Taxom
 
SubfamilyVenzavellinae
Gailite, 1967
3
4		Genera
Species		 
Taxom
 


Genera for Ludlow
3 Genera with 4 Species
Borussulus Martinsson, 19662SpeciesTaxom
Orcus Gailite, 19661SpeciesTaxom
Venzavella Gailite, Ryb..., 19661SpeciesTaxom


Species list for Ludlow
4 Species
Borussulus reticulifer Martinsson, 1964
Borussulus squamosus Gailite, 1966
Orcus argutus Gailite, 1966
Venzavella dicostata Gailite, 1966