A claw was a type of manipulatory appendage, found at the end of fingers.
The Rills had hands and feet with claws. (TV: Galaxy 4)
One type of Dalek mutant was described by Ben Jackson as a "sort of disembodied hand" with a claw. (TV: The Power of the Daleks)
The sapient species of Macra were larger than humans, able to hold a human in one claw. (TV: The Macra Terror) After devolving in the far future, the Macra grew much bigger, and were large enough to easily hold an entire New Earth car in their claws. (TV: Gridlock)
The Cractids were crustaceans with an exoskeleton, two claws, six legs, and mandibles. (AUDIO: Cobwebs)
Tetraps had sharp, clawed hands. (PROSE: Time and the Rani)
Viperox Battle Drones were the soldiers of the Viperox. They had flat plates, four long mandibles and clawed hands, which could shoot out spines which exploded on impact. (TV: Dreamland)
The Nostrovites, in their natural form, appeared to vaguely resemble a human, but with red eyes, sharp claws and teeth, and visible blood vessels. (TV: Something Borrowed)
The Abzorbaloff had hands with three clawed fingers, which exposed him as alien to Ursula Blake and Elton Pope when he attempted to hide behind a copy of The Daily Telegraph newspaper. Ursula was absorbed into the Abzorbaloff's body when his hand grabbed her arm. (TV: Love & Monsters)