Bown, P. R. (1987). Taxonomy, evolution, and biostratigraphy of Late Triassic-Early Jurassic calcareous nannofossils. Special Papers in Palaeontology. 38, 1-118.
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Bown, P. R.
1987
Taxonomy, evolution, and biostratigraphy of Late Triassic-Early Jurassic calcareous nannofossils