Dalek variant
From Tardis Wiki, the free Doctor Who reference
Although the general appearance of the Daleks has remained the same, the colours and some details of the model have evolved over time.
List of variants
Major variants
Imperial Dalek
Imperial Dalek variants
Others
Marsh Dalek
The Marsh Daleks were large, bipedal Daleks that were used to control the Horrokon Monsters on the planet Gurnian. (1964 Dalek Annual)