Complex sentence: Phineus was even better-traveled than his sister Europa, and his biography in the "Catalogue" was apparently a "pièce de résistance" meant to conclude the geographically diverse Inachid stemma with an appropriate flourish.
Split into simpler sentences: Phineus was even better-traveled than his sister Europa. The episode was apparently a "pièce de résistance" meant to conclude the geographically diverse Inachid stemma with an appropriate flourish.