Sludkian Gorizont

The Sludkian

index fossil. The Sludkian is characterized by Wetlugasaurus angustifrons, while the Ustmylian is characterized by Wetlugasaurus malachovi.^[1]^[2]

The Sludkian is exposed in several svitas (equivalent to
geological formations) spread out over a wide area: the main assemblage is the Sludkinskaya Svita in the Moscow Syncline, and another is the Kzylsaiskaya Svita of the Ural-Samara Basin.^[1]

References

^
ISBN 9780521545822
.

S2CID 129895753
.

formation in Europe is a stub. You can help Wikipedia by expanding it.
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[Setal00-1] 
ISBN 9780521545822
.

[:3-2] S2CID 129895753
.

[1]

[2]