User blog comment:Slug gunner fan/Advice on Chimeric Gene-Seed Chapter/@comment-1536954-20131014000811/@comment-1536954-20131014002154

Allegedly.

"... some say because there were too few of them to split into successor Chapters: The Salamanders are officially reckoned to have no descendants, though several Imperial scholars have pointed out various similarities in unit markings and tactical dogma in the Storm Giants and Black Dragons Chapters. It is possible that these Chapters were created at some unknown, later date from stockpiled gene-seed, but whatever the claims, the Salamanders claim kinship with no other Chapter "