Table 4.

Measurements of the astragalus IRSNB 1126-M262, identified as Phocidae aff. Frisiphoca affine (in mm). ‘+’ indicates that the measured length is smaller than the real length, due to post-mortem wear of the specimen.

	Phocidae aff. Frisiphoca affine
	IRSNB 1126-M262
absolute length	+75.5
maximum dorsoplantar height	+47.7
mediolateral width across tibial facet	+31.5
dorsoplantar height astragalar head	+28.0
mediolateral width astragalar head	n.a.
dorsoplantar height caudal process	+30.0
mediolateral width caudal process	+16.6
maximal length ectal facet	n.a.
maximal length sustentacular facet	+22.7