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Ptychagnostidae

Scientific Names

Preferred Names

Ptychagnostidae
Family recognized by EOL Dynamic Hierarchy April 2022
Reference taxon from The Paleobiology Database
Ptychagnostidae
Family recognized by EOL Dynamic Hierarchy 1.1, EOL Dynamic Hierarchy 1.1, GBIF classification, Catalogue of Life 7 February 2023, and Dynamic Hierarchy Version 2.2 - Test
Ptychagnostidae
Recognized by Canada Species List, China Species List, Denmark Species List, Greenland Species List, Poland Species List, Russia Species List, Argentina Species List, North Atlantic Species List, Southern Ocean Species List, and United States Species List

Alternative Names

? aculeatus Angelin, 1851
Doubtful according to GBIF classification
? armata Linnarsson, 1869
Doubtful according to GBIF classification
? atavus Tullberg, 1880
Doubtful according to GBIF classification
? crebra Pokrovskaya, 1958
Doubtful according to GBIF classification
? cuyanus Rusconi, 1948
Doubtful according to GBIF classification
? fissus Lundgren, 1879
Doubtful according to GBIF classification
? gibbus Linnarsson, 1869
Doubtful according to GBIF classification
? intermedius Tullberg, 1880
Doubtful according to GBIF classification
? laevigata Dalman, 1828
Doubtful according to GBIF classification
? nathorsti Brogger, 1878
Doubtful according to GBIF classification
? punctuosus Angelin, 1851
Doubtful according to GBIF classification
? rotundatus Ergaliev, 1980
Doubtful according to GBIF classification
? seminula Whitehouse, 1939
Doubtful according to GBIF classification
? stenorrhachis Grönwall, 1902
Doubtful according to GBIF classification
Acidusus Öpik 1979
Doubtful according to GBIF classification
Pseudophalacroma Pokrovskaya 1958
Doubtful according to GBIF classification
Ptychagnostidae
Harvest ancestor according to iDigBio type specimen records and Paleobiology Database

Common Names

There are no common names associated with this taxon.

Curated hierarchies for Ptychagnostidae

EOL Dynamic Hierarchy April 2022

Life
Cellular Organisms
Eukaryota
Opisthokonta
Metazoa
Bilateria
Protostomia
Ecdysozoa
Arthropoda
Trilobita
Agnostida
Ptychagnostidae (this page)
Goniagnostus Howell 1935
Lejopyge Hawle & Corda 1847
Myrmecomimus Opik 1979
Onymagnostus Opik 1979
Pentagnostus Lermontova 1940
Ptychagnostus Jaekel 1909
Tomagnostus Howell 1935
Triplagnostus Howell 1935
Yakutiana Özdikmen 2009
Zeteagnostus Opik 1979
Agnostidae
Agnostina
Agnostogonus Opik 1967
Agnostoidea
Clavagnostidae
Metagnostidae
Peronopsidae
Phalacromidae
Sphaeragnostidae
Spinagnostidae

Catalogue of Life 7 February 2023

Biota
Animalia
Arthropoda
Trilobita
Agnostida
Ptychagnostidae (this page)
Goniagnostus
Lejopyge
Myrmecomimus
Onymagnostus
Pentagnostus
Ptychagnostus
Tomagnostus
Triplagnostus
Yakutiana
Zeteagnostus
Agnostidae
Agnostogonus
Agnostoidea
Aotagnostus
Calodiscidae
Clavagnostidae
Dividuagnostus
Eodiscidae
Glaberagnostus
Hebediscidae
Megagnostus
Metagnostidae
Peronopsidae
Phalacromidae
Sphaeragnostidae
Spinagnostidae
Tsunyidiscidae
Valenagnostus
Weymouthiidae
Yukonides

Dynamic Hierarchy Version 2.2 - Test

Life
Cellular Organisms
Eukaryota
Opisthokonta
Metazoa
Bilateria
Protostomia
Ecdysozoa
Arthropoda
Trilobita
Agnostida
Ptychagnostidae (this page)
Goniagnostus Howell 1935
Lejopyge Hawle & Corda 1847
Myrmecomimus Opik 1979
Onymagnostus Opik 1979
Pentagnostus Lermontova 1940
Ptychagnostus Jaekel 1909
Tomagnostus Howell 1935
Triplagnostus Howell 1935
Yakutiana Özdikmen 2009
Zeteagnostus Opik 1979
Agnostidae
Agnostina
Agnostogonus Opik 1967
Agnostoidea
Clavagnostidae
Metagnostidae
Peronopsidae
Phalacromidae
Sphaeragnostidae
Spinagnostidae

EOL Dynamic Hierarchy 1.1

Life
Cellular Organisms
Eukaryota
Opisthokonta
Metazoa
Bilateria
Protostomia
Ecdysozoa
Panarthropoda
Arthropoda
Trilobita
Agnostida
Ptychagnostidae (this page)
Goniagnostus
Lejopyge
Myrmecomimus
Onymagnostus
Pentagnostus
Ptychagnostus
Tomagnostus
Triplagnostus
Yakutiana
Zeteagnostus
Agnostidae
Agnostoidea
Calodiscidae
Clavagnostidae
Eodiscidae
Hebediscidae
Metagnostidae
Peronopsidae
Phalacromidae
Sphaeragnostidae
Spinagnostidae
Tsunyidiscidae
unclassified Agnostida
Weymouthiidae

GBIF classification

Animalia
Arthropoda
Trilobita
Agnostida
Ptychagnostidae (this page)
Goniagnostus Howell 1935
Lejopyge Hawle & Corda 1847
Myrmecomimus Öpik 1979
Onymagnostus Öpik 1979
Pentagnostus Lermontova 1940
Ptychagnostus Jaekel 1909
Tomagnostus Howell 1935
Triplagnostus Howell 1935
Yakutiana Özdikmen 2009
Zeteagnostus Öpik 1979
Agnostidae
Agnostogonus Öpik 1967
Ammagnostidae
Anomocaridae
Aotagnostus Öpik 1979
Calodiscidae
Clavagnostidae
Condylopygidae
Dipharus Clark 1923
Diplagnostidae
Dividuagnostus Koroleva 1982
Eodiscidae
Geragnostidae
Glaberagnostus Romanenko 1985
Glyptagnostidae
Hastagnostidae
Hebediscidae
Hypagnostoidae
Marjumiidae
Megagnostus Robison 1994
Metagnostidae
Pagetiidae
Peronopsidae
Phalachromidae
Phalacromidae
Pseudagnostidae
Quadragnostidae
Solenopleuridae
Sphaeragnostidae
Spinagnostidae
Tsunyidiscidae
Valenagnostus Jago 1976
Weymouthiidae
Yukonides Fritz 1972
Yukoniidae
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