The chemical reactions and pathways resulting in the breakdown of a pyrimidine deoxyribonucleotide, a compound consisting of nucleoside (a pyrimidine base linked to a deoxyribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar. (Gene Ontology, GO_0009223)
8 genes participating in the pyrimidine deoxyribonucleotide catabolic process biological process from the curated GO Biological Process Annotations 2015 dataset.
