Helcionelloida - Helcionellida - Helcionellidae

Alternative combinations: Latouchella comma, Trenella comma

Full reference: G. Geyer. 1986. Mittelkambrishe Mollusken aus Marokko und Spanien. Senckenbergiana Lethaea 67(1/4):55-118

Belongs to Oelandia according to P. J. Wagner 2011

Sister taxa: Oelandia jingheensis, Oelandia pauciplicata

Type specimen: Its type locality is Lemdad-Mulde, horizon X217, which is in a Solvan carbonate limestone in the Jbel Wawrmast Formation of Morocco

Ecology: slow-moving low-level epifaunal detritivore