noun. The formation of an orderly sequence or series.

noun. Arrangement or position in a series.

noun. the arrangement of things in a series

noun. the relative dating of archaeological artifacts in a chronological order

"Previous estimates of early, middle and late Pleistocene time ranges previously determined by biostratigraphic seriation for the Ailuropoda–Stegodon fauna are confirmed in all cases but are made more precise with our approach, including specific time ranges for certain archaic taxa."

serial  seriate  seriatim  series