{{cite}|align=center border=1 cellspacing=0 cellpadding=2|<small>[[Librarian]]</small>|<small>[[Lexicanium]] - [[Codicier]] - [[Epistolary]] - [[Chief Librarian]]</small>|}[[Image:Lexicaniums.jpg|thumb|right|A pair of Lexicanium]]'''LexicaniLexicanium''' are is the lowest rank of [[Space Marine]] [[LibrariansLibrarian]] . This rank is given to those who are not generally seen in combat. Most of have recently joined the time, they are found within a [[ChapterLibrarius]]'s Librarium, storing and are given duties surrounding the vast amounts creation of information battle reports to submit to the chapter has gathered over years of conflict and crusade. With more training, they can become [[CodicierChapter|Chapter's]]s and be given significant combat assignments, able to harness their powers with greater clarityrecords. Lexicanum ¹ Lexicanium Librarians are often distinguished by their lack of a [[Psychic psychic hood]] and or even helmet, usually appearing very similar to their brother-marines except for the blue [[Power Armour]] that Librarians wear.² ==Sources==*¹:''[[Genestealer (Game)|Genestealer]]'' (1990, ''Space Hulk'' expansion)*²:[[Codex: Ultramarines (2nd Edition)]] - p81 (derived from Lexicanium models)