Berceau brisé (pointed barrel vault)

This type of vault has the same cross section across its entire length: an arc brisée (pointed arch).
The picture shows a pointed barrel vault in the Saint-Pierre in Brancion.
See also voûte en berceau brisé (synonym).

Berceau brisé - Wikipedia

Saint-Pierre - Brancion (Martailly-lès-Brancion)