Complex sentence: As the group was paraphyletic, it has not been used in classifications in the last decade, and is effectively obsolete, though many catalogs, checklists, and older works still contain the name.
Split into simpler sentences: As the group was paraphyletic, it has not been used in classifications in the last decade, and is effectively obsolete. However, many catalogs, checklists, and older works still contain the name.