original: Among this group are species with some of the most potent venoms of all snakes.
simplifications: These snake species have some of the most potent venoms of all snakes. In this group there are species of the most venomous snakes. The most poisonous snakes are within this group. This group has snake species with potent venoms. This group includes species with some of the most potent venoms of all snakes. This group includes species with some of the strongest venoms of all snakes. Included in this group are species with some of the most potent venom of snakes. Some of the species in this group have the strongest venom of all snakes. Among this group are species of some of the most venomous snakes. In this species are some of the most poisonous snakes.