International audienceThe excavations started inside and in the immediate neighbourhood of the roman church Saint-Pierre of Thaon since 1998 have enabled to underline several phases of occupation between the IInd century AD and the XIIth with, from the VIIth century, the establishment of a church modified repeatedly. Among 437 burials (from VIIth to XVIIIth century), devices combining wood and stones (cofferings) or showing important remains of wood perfectly preserved (whole boards of coffin nailed down and pegged) were studied and are presented in this article.Depuis 1998, l'église romane Saint-Pierre de Thaon, située au nord-ouest de Caen (Calvados), fait l'objet d'une étude exhaustive motivée par un projet de restauration générale et de...