David Ware & Elke Scheebeli-Hermann 
Dienerian (Early Triassic) ammonoids from the Northern Indian Margin 

Fossils and Strata is an international series of monographs and memoirs in palaeontology and biostratigraphy, owned by, and published on behalf of, The Lethaia Foundation in cooperation between the Scandinavian countries.

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表中的内容

Present Work 6

Definitions of Stages and Substages 6

Biochronology: The Unitary Association Method and Terminology 7

References 7