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Checklist for Subfamily Sigmoopsinae Henningsmoen, 1953
and region Ordovician (Paleozoic)


Class
 		Ostracoda
Latreille, 1802
Mussel shrimps, Ostracods, Seed Shrimps		51
208
491		Families
Genera
Species		 
Taxom
 

Order
 		Beyrichicopida
Pokorny, 1954
21
73
195		Families
Genera
Species		 
Taxom
 

Suborder
 		Palaeocopa
Henningsmoen, 1953
13
55
142		Families
Genera
Species		 
Taxom
 

Superfamily
 		Hollinacea
Swartz, 1936
4
32
92		Families
Genera
Species		 
Taxom
 
FamilyTetradellidae
Swartz, 1936
17
56		Genera
Species		 
Taxom
 
SubfamilySigmoopsinae
Henningsmoen, 1953
3
7		Genera
Species		 
Taxom
 


Genera for Ordovician
3 Genera with 7 Species
Kiesowia Ulrich & Bas..., 03SpeciesTaxom
Lomatobolbina Jaanusson, 19402SpeciesTaxom
Sigmoopsis Henningsmoen, 02SpeciesTaxom


Species list for Ordovician
7 Species
Kiesowia binoda
Kiesowia insolens
Kiesowia verrucosa
Lomatobolbina craspedota Jaanusson, 1957
Lomatobolbina mammillata Thorslund, 1940
Sigmoopsis platyceras Öpik, 1937
Sigmoopsis schmidti