Species list, Checklist of Superfamily Aechminacea for Middle Ordovician (Ordovician)

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Checklist for Superfamily Aechminacea Bou?ek, 1936
and region Middle Ordovician (Ordovician)

Class	Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps	27 105 71	Families Genera Species	Taxom
Order	Beyrichicopida Pokorny, 1954	14 44 39	Families Genera Species	Taxom
Suborder	Binodicopa Schallreuter, 1972	3 3 2	Families Genera Species	Taxom
Superfamily	Aechminacea Bou?ek, 1936	3 3 2	Families Genera Species	Taxom

List of families for Middle Ordovician
3 Families width 2 Species

Aechminidae Boucek, 1936	0	Species	Taxom
Spinigeritidae Schallreuter, 1980	1	Species	Taxom
Circulinidae Neckaja, 1966	1	Species	Taxom

Genera for Middle Ordovician
3 Genera with 2 Species

Aechmina Jones & Holl, 1869	0	Species	Taxom
Ostpreussensia Schallreuter, 1924	1	Species	Taxom
Parapyxion Jaanusson, 1948	1	Species	Taxom

Species list for Middle Ordovician
2 Species

Ostpreussensia cornuta Kummerow, 1924
Parapyxion subovatum Thorslund, 1948

Subnodes of Aechminacea with occurrences in Middle Ordovician

Family	Aechminidae ♰ Boucek, 1936	1 0	Genus Species	Taxom
Family	Circulinidae Neckaja, 1966	1 1	Genus Species	Taxom
Family	Spinigeritidae ♰ Schallreuter, 1980	1 1	Genus Species	Taxom