distinctives

Good evening all! I realize there is another post in the Church History section pointing out some difference between OPC, PCA and EPC churches; that thread is here. However, I was hoping you guys would help me to understand the main differences, whether in personal experience or document...

Can we compile a list of distinctives within NAPARC denominations (and also some of the small micro denominations like RPUS, Westminster Presbyterian... etc.) I'll start with what I know Reformed Presbyterian Church of North America: We believe in the Mediatiorial Kingship of Jesus Christ...