This archive tracks four layers. A record present in 2 of them (M41, IND) is silent in the rest, and says so.
The Horus HeresyM30–M31
[RECORD LOST]
No record for this location in The Horus Heresy.
Position in this era: [RECORD LOST].
Age of the ImperiumM32–M40
[RECORD LOST]
No record for this location in Age of the Imperium.
Position in this era: [RECORD LOST].
The 41st Millenniumpre-Rift
imperium
Ark Mechanicus of Arch-Dominus Arcophili Zane
The venerated Ark Mechanicus of Arch-Dominus Arcophili Zane of Gryphonne IV's ruling triumvirate. At the heart of the Gryphonnen armada and its guardian battlefleet, she broke every Tyranid bio-ship that came within reach, but the swarm flowed around her; after the fall she led the refugee caravan out of the system.
Position: Gryphonne System (Gryphonne IV) Centre of the Gryphonnen armada in the void defence of Gryphonne IV, then vanguard of the diaspora fleet Cited in Dominion Genesis
Era Indomituspost-Rift
imperium
Flagship of the Gryphonnen diaspora fleet
In orbit of Tolkhan with the rest of the diaspora fleet, the flagship of what remains of the Gryphonnen Octad and the relay for all of the flotilla's astropathic traffic.
Position: Tolkhan System (Tolkhan) De facto flagship of the Gryphonnen diaspora fleet in orbit of Tolkhan Cited in Dominion Genesis
Position
A mobile record: it carries a position timeline rather than a fixed point. The archive places it in 2 of the four eras (M41, IND); each era section above carries that era's entry.
Books set here
1 title in the reading tracker touches this record. Titles link out to the tracker.
Every fact in this record, and where it came from. Editorial derivations say so.
identityhigh
wh40k.lexicanum.com/wiki/Logos (read directly in a browser on 2026-10-01): 'the venerated Ark Mechanicus of the Gryphonnen Tech Priest Arch-Dominus Arcophili Zane', citing Dominion Genesis (Novel). https://wh40k.lexicanum.com/wiki/Ark_Mechanicus: 'Logos — Flagship of Arch-Dominus Arcophili Zane' (Gryphonne IV ch. 3). NAME-COLLISION CHECK: Lexicanum's Logos article separates this ship from 'The Logos', Perturabo's power armour; no index record uses the name.
positionshigh
m41 at gryphonne: the void defence and the diaspora's departure towards the system's secondary Mandeville Point (Lexicanum Logos; Gryphonne_IV, Gryphonne IV chs 3-4). indomitus at tolkhan: 'would eventually come to rest in orbit of the Forge World Tolkhan' and became the diaspora's de facto flagship (Lexicanum Logos; Gryphonne_IV, Tolkhan ch. 5).
archetypemedium
'battleship' as for the Encoronada, Opus Machina and Speranza: an Ark Mechanicus is the Mechanicus' largest class of vessel (Lexicanum Ark_Mechanicus).
erashigh
Allegiance 'imperium' for the flagship of a loyal forge-synod in both eras (Lexicanum Logos).