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Checklist for Family Ptychagnostidae Kobayashi, 1939
and region America (Continents)


Class
 
Trilobita
Walch, 1771
Trilobites
171
1817
4432
Families
Genera
Species
 
Taxom
 

Order
 
Agnostida
Salter, 1864
20
126
304
Families
Genera
Species
 
Taxom
 

Suborder
 
Agnostina
Salter, 1864
14
90
250
Families
Genera
Species
 
Taxom
 

Superfamily
 
Agnostoidea
M´Coy, 1849
11
85
231
Families
Genera
Species
 
Taxom
 
FamilyPtychagnostidae
Kobayashi, 1939
13
39
Genera
Species
 
Taxom
 


Genera for America
13 Genera with 39 Species
Canotagnostus Rusconi, 19511SpeciesTaxom
Goniagnostus Howell, 19791SpeciesTaxom
Huarpagnostus Rusconi, 19501SpeciesTaxom
Lejopyge Hawle & Corda, 18284SpeciesTaxom
Onymagnostus Öpik, 19392SpeciesTaxom
Pentagnostus LERMONTOVA, 19361SpeciesTaxom
Pseudophalacroma Pokrovskaya, 18801SpeciesTaxom
Ptychagnostus Jaekel, 193921SpeciesTaxom
Schismagnostus ROBISON, 19941SpeciesTaxom
Tomagnostella Kobayashi, 18511SpeciesTaxom
Tomagnostus Howell, 19021SpeciesTaxom
Triplagnostus Howell, 03SpeciesTaxom
Yakutiana Özdikmen, 18801SpeciesTaxom


Species list for America
39 Species
Canotagnostus huarpeanus Rusconi, 1951
Goniagnostus oxytorus Öpik, 1979
Huarpagnostus costatus Rusconi, 1950
Lejopyge acantha ROBISON, 1964
Lejopyge armata LINNARSSON, 1869
Lejopyge calva ROBISON, 1964
Lejopyge laevigata Dalman, 1828
Onymagnostus hybridus BRÖGGER, 1878
Onymagnostus seminula Whitehouse, 1939
Pentagnostus praecurrens Westergard, 1936
Pseudophalacroma lundgreni Tullberg, 1880
Ptychagnostus (Ptychagnostus) fissus Lundgren, 1879
Ptychagnostus acidusus Öpik, 1979
Ptychagnostus aculeatus Angelin, 1851
Ptychagnostus affinis BRÖGGER, 1878
Ptychagnostus akanthodes ROBISON, 1964
Ptychagnostus atavus Tullberg, 1880
Ptychagnostus cassis Öpik, 1961
Ptychagnostus ciceroides
Ptychagnostus cuyanus Rusconi, 1948
Ptychagnostus elegans Tullberg, 1880
Ptychagnostus germanus Öpik, 1979
Ptychagnostus gibbus LINNARSSON, 1869
Ptychagnostus hintzei ROBISON, 1984
Ptychagnostus hybridus
Ptychagnostus intermedius Tullberg, 1880
Ptychagnostus michaeli ROBISON, 1984
Ptychagnostus occultatus Öpik, 1979
Ptychagnostus praecurrens Westergård, 1936
Ptychagnostus punctuosus Angelin, 1851
Ptychagnostus richmondensis Walcott, 1884
Ptychagnostus seminula Whitehouse, 1939
Schismagnostus plicatus ROBISON, 1994
Tomagnostella exsculpta Angelin, 1851
Tomagnostus perrugatus GRÖNWALL, 1902
Triplagnostus burgessensis
Triplagnostus gibbus LINNARSSON, 1869
Triplagnostus lomondensis
Yakutiana lundgreni Tullberg, 1880


Links, sources and further information
Ptychagnostidae at gbif.org
Ptychagnostidae at irmng.org