Yanjiahe Formation

The Yanjiahe Formation is an Ediacaran to Cambrian fossiliferous geologic formation found in South China.^[1][2]

Yanjiahe Formation
Stratigraphic range: Ediacaran - Fortunian ~542–529 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Overlies	Dengying Formation
Lithology
Primary	Shale, limestone, dolomite
Other	Chert, phosphorite
Location
Coordinates	30.8°N 111.3°E / 30.8; 111.3
Approximate paleocoordinates	27.6°N 160.2°E / 27.6; 160.2
Region	Hubei
Country	China
Extent	Yangtze Gorges
Yanjiahe Formation (China) Show map of China Yanjiahe Formation (Hubei) Show map of Hubei

Fossil content

Among others, the following fossils were found in the formation:^[2]

• Aldanella attleborensis^[3]
• Anabarites trisulcatus^[3]
• Archaeophycus yunnanensis^[1]
• Beretella spinosa^[4]
• Comasphaeridium annulare^[1]
• Conotheca subcurvata^[3]
• Emeiconus antiqua^[3]
• Heliosphaeridium ampliatum^[1]
• ? Konglingiphyton sp.^[3]
• Lapworthella sp.^[3]
• Megathrix longus^[1]
• Micrhystridium regulare^[3]
• Protoconites minor^[3]
• Protohertzina sp.^[3]
• Purella antiqua^[3]
• Vendotaenia sp.^[3]
• Yanjiahella biscarpa^[5]
• Yuknessia sp.^[3]