Later and Seriatim

Later adjective - Being, occurring, or carried out at a time after something else.

Seriatim and later are semantically related In some cases you can use "Seriatim" instead an adjective "Later".

Seriatim adverb - In succession without others coming in between.

Later and seriatim are semantically related in consecutive topic. Sometimes you can use "Later" instead an adjective "Seriatim", if it concerns topics such as in sequence.