Acadagnostus

Acadagnostus; Temporal range: Middle Cambrian (upper Amgaian to latest Mayaian) PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Agnostida
Suborder:	Agnostina
Superfamily:	Agnostoidea
Family:	Peronopsidae
Genus:	Acadagnostus; Kobayashi, 1939
Species
	A. acadicus (Hartt in Dawson, 1868) (Type) synonyms Agnostus acadicus, Peronopsis tramitis, Pseudoperonopsis iniugata; A. ancisa (Öpik, 1979) synonym Pseudoperonopsis ancisa; A. australis (Robison, 1978) synonym Baltagnostus australis; A. certus (Öpik, 1979) synonym Euagnostus certus; A. karatauensis (F. Ergaliev, 2008) synonym Lisogoragnostus karatauensis; A. rakuroensis Kobayashi, 1939 synonyms Agnostus damesi, Agnostus liaotungensis, Peronopsis uzbekistanica; A. syrma (Öpik, 1979) synonym Pseudoperonopsis syrma;

Acadagnostus is a genus of trilobite from the Middle Cambrian, with 7 species currently recognized. The type species A. acadicus has the widest distribution known from any peronopsid (with Peronopsis integer and P. scutalis) and has been found in North America, Greenland, England, Western Europe, Eastern Europe, Central Asia, the Altai Mountains, the Siberian shield, China, and Australia.^[2]

^ Öpik, A.A. (1979). "Middle Cambrian agnostids: Systematics and biostratigraphy". BMR Bulletin. 172 (1): 1–188.
^ Naimark, E.B. (2012). "Hundred species of the Genus Peronopsis Hawle et Corda, 1847". Paleontological Journal. 46 (9): 945–1057. Bibcode:2012PalJ...46..945N. doi:10.1134/S0031030112090018. S2CID 85130465.

[Öpik-1] Öpik, A.A. (1979). "Middle Cambrian agnostids: Systematics and biostratigraphy". BMR Bulletin. 172 (1): 1–188.

[Naimark-2] Naimark, E.B. (2012). "Hundred species of the Genus Peronopsis Hawle et Corda, 1847". Paleontological Journal. 46 (9): 945–1057. Bibcode:2012PalJ...46..945N. doi:10.1134/S0031030112090018. S2CID 85130465.

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