TRIÁSSICO

GRIESBACHIAN (DORASHAMIAN)

 

Estágio 

Zone Amonoide, tropical
(tethys e perigondwanal)

Zona Amonoide (boreal)

Zona Conodonte
(tethys)

Plataforma Russa

Bacia Jungar
China

Dienerian inferior

Ophiceras tibeticum

Bukkenites strigatus

Clarkina postcarinata

Membro Riyabinsk

Desconhecido

Griesbachian Superior

Ophiceras commune

Clarkina carinata

Formação Jiucaiyuan (base)

Griesbachian Superior

Isarcicella isarcica

Griesbachian Médio

Ophoceras woodwardi & Ophiceras bandoi

Hindeodus parvus

Membro Astashich

Griesbachian Inferior

Otoceras fissisellatum

Tomphociceras pascoei

Formação Guodikeng

(topo)

 

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