For model year 1998 Record and Chorus 8-speed disappeared, and Athena and Veloce became 9-speed. Every model in the range got, at least, a cosmetic makeover.
The derailleur range was:
* New for model year 1998
These images come from a pdf downloaded from the Campagnolo web site some years ago. This pdf is missing the front cover and rear cover, and the larger text displays in a plain sans-serif font rather than the more decorative typeface used on the print version. The rear derailleurs are featured from page 26 to page 32.