Saffordia is an extinct genus of bivalve mollusc of the order Modiomorphida. It lived during the middle to late Ordovician. Based on other members of it family, this clam was a stationary epifaunal suspension feeder. Its only species is Saffordia ventralis, which features a prominent and is similar to â possibly synonymous with â Heikea. The clam can be distinguished from others due to its parallel shell haves with noticeable notches at the end.