Order

Agnostida Salter, 1864

Selection of related publications

Weidner, T., Nielsen, A. T., Ebbestad, J. O: 2024. A new agnostoid from the Cambrian of Scandinavia Tomagnostella tullbergi n. sp. (Agnostidae) from the middle Cambrian Lejopyge laevigata Zone of Scandinavia. Bulletin of the Geological Society of Denmark 73, 193-198. DOI:10.37570/bgsd-2024-73-11

Weidner, T., Nielsen, A. T 2016. Tomagnostus brantevikensis n. sp. (Trilobita) from the middle Cambrian of Scania, Sweden. Bulletin of the Geological Society of Denmark 64, 111–116. DOI:10.37570/bgsd-2016-64-06

Terfelt, F., Ahlberg, P. 2010. Pseudagnostus rugosus Ergaliev, 1980: a key agnostoid species for intercontinental correlation of upper Furongian (Cambrian) strata. Geological Magazine 147, 5, 789-796. DOI:10.1017/S0016756810000282

Rushton, A. W. A., Weidner, T. 2007. The Middle Cambrian paradoxidid trilobite Hydrocephalus from Jämtland, central Sweden. Acta Geologica Polonica 57, 4, 391-401.

Axheimer, N. 2006. The Middle Cambrian Eodiscoid trilobite Dawsonia oelandica (Westergård, 1936). Journal of Paleontology 80, 1, 193-200. DOI:10.1666/0022-3360(2006)080[0193:TMCETD]2.0.CO;2

Axheimer, N., Eriksson, M. E., Ahlberg, P., Bengtsson, A. 2006. The middle Cambrian cosmopolitan key species Lejopyge laevigata and its biozone: new data from Sweden. Geological Magazine 143, 4, 447-455. DOI:10.1017/S0016756806002007

Schmidt, F 1886. Über einige neue ostsibirische Trilobiten und verwandte Thierformen. Bulletin de l'Académie impériale des sciences de St.-Pétersbourg 30, 501-512, pl. 30.

List of species

1. Acidusus aculeatus (Angelin, 1851)

2. Acidusus atavus (Tullberg, 1880) | Cambrian

3. Agnostus pisiformis (Wahlenberg, 1818) | Cambrian

4. Aspidagnostus lunulosus Kryskov in Borovikov & Kryskov, 1963 | Furongian

5. Calodiscus lobatus (Hall, 1847)

6. Cotalagnostus claudicans Westergård, 1946

7. Cotalagnostus greilingi Weidner, Nielsen et Ebbestad, 2023

8. Dawsonia oelandica (Westergård, 1936) | Cambrian

9. Geragnostus crassus Tjernvik, 1956

10. Geragnostus ingrica (Schmidt, 1894)

11. Geragnostus lawae Krylov, 2019 | Kunda Stage

12. Geragnostus sidenbladhi (Linnarsson, 1869)

13. Glyptagnostus reticulatus (Angelin, 1851)

14. Goniagnostus nathorsti (Brøgger, 1878)

15. Homagnostus obesus (Belt, 1867) | Furongian

16. Homagnostus pater (Westergård, 1930)

17. Hypagnostus clipeus Whitehouse, 1939

18. Lejopyge armata (Linnarsson, 1869) | Middle Cambrian (old nomenclature)

19. Lejopyge calva Robison, 1964

20. Lejopyge elegans (Tullberg, 1880)

Classification

Organism group	Biota
Domain	Eukaryota
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Chelicerata
	Crustacea
	Trilobita
Class	Insecta
	Merostomoidea
Infraclass	Phosphatocopida
Order	Agnostida
Suborder	Agnostina
	Eodiscina
Family	Clavagnostidae
	Diplagnostidae
	Glyptagnostidae
	Ptychagnostidae
	Spinagnostidae
Order	Bradoriida
	Leperditicopida
	Nektaspida
Species	Gdowia