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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Present Work 6

Definitions of Stages and Substages 6

Biochronology: The Unitary Association Method and Terminology 7

References 7