Retifacies information

Retifacies; Temporal range: Cambrian Stage 3, 518 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
	Fossil of the dorsal carapace
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
(unranked):	†Artiopoda
Subphylum:	†Trilobitomorpha
Genus:	†Retifacies; Hou et al. 1989
Species:	†R. abnormalis
Binomial name
	†Retifacies abnormalis; Hou et al. 1989

Retifacies abnormalis is an extinct arthropod that lived in the lower Cambrian (about 518 million years ago). Its fossil remains have been found in the Maotianshan Shales of Yunnan, China. It is a member of the Artiopoda, and closely related to Pygmaclypeatus.

^ Yang, C.; Li, X.-H.; Zhu, M.; Condon, D. J.; Chen, J. (2018). "Geochronological constraint on the Cambrian Chengjiang biota, South China" (PDF). Journal of the Geological Society. 175 (4): 659–666. Bibcode:2018JGSoc.175..659Y. doi:10.1144/jgs2017-103. ISSN 0016-7649. S2CID 135091168.

[1] Yang, C.; Li, X.-H.; Zhu, M.; Condon, D. J.; Chen, J. (2018). "Geochronological constraint on the Cambrian Chengjiang biota, South China" (PDF). Journal of the Geological Society. 175 (4): 659–666. Bibcode:2018JGSoc.175..659Y. doi:10.1144/jgs2017-103. ISSN 0016-7649. S2CID 135091168.

Retifacies information

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Retifacies

Artiopoda

List of Chengjiang Biota species by phylum

Arachnomorpha

Aglaspidida

2024 in arthropod paleontology

Squamacula

Tegopelte

Cheloniellida

Beckwithia typa

Sidneyia

Helmetia

Emeraldella

Largest prehistoric animals

Nektaspida

Acanthomeridion

Saperion

Kuamaia

Bailongia

Aglaspis

Tariccoia

Liwia

Kwanyinaspis

Pygmaclypeatus

Soomaspis

Franklinella

Molaria

Arthropods of the Cambrian Period

Australaglaspis

Naraoia