The article presents the anthropological description conducted for object 2537 in Modlniczka, site 2. Burnt bones from this object did not constitute any visible concentrations; their dispersion within 5 levels of exploration was more less even, therefore, strictly mechanical segregation of the material was employed. Due to anthropological analysis it was evaluated that the object contained remains of 55 individuals at least and this is the smallest possible number of buried individuals (MNI). Object 2537 in Modlniczka should be considered as an ossuarium, emerged during a single act of bones deposition, being at the same time one of the element of complex funeral rites.