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

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.

Fossils and Strata forms part of the same structured publishing programme as the international journal Lethaia and provides a complementary outlet for more comprehensive systematic and regional monographs, including taxonomic descriptions.

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Present Work 6

Definitions of Stages and Substages 6

Biochronology: The Unitary Association Method and Terminology 7

References 7