The ornamental design for a portion of a displayscreen with animated graphical user interface, as shown and described.
FIG. 1 is a front view of a first image of a portion of a display screen with animated graphical user interface showing my new design; and,
FIG. 2 is a front view of a second image thereof.
The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1 and 2. The process or period in which one image transitions to another image forms no part of the claimed design.
The broken line showing of a portion of a display screen in FIGS. 1 through 2 forms no part of the claimed design. The broken line showing of text and portions of the graphical user interface in FIGS. 1 through 2 represents environmental subject matter and forms no part of the claimed design.