Ocean World var addthis_config = {"data_track_addressbar":true};

Galaxy Portal

Ocean world is the term given to a planet whose surface is mostly, or entirely, covered in liquid oceans. "Ocean world" is not a technical planet classification, but a general term referring to its natural environment.

Notable ocean worlds

Planet name	Segmentum	Sector	Subsector	System	Population
Talassar1	Ultima Segmentum	Unknown	Ultramar	Unknown	Unknown
Brun2	Unknown	Unknown	Unknown	Unknown	Unknown
Tyran3 *	Eastern Fringe	[Unknown	[Unknown	Unknown	N/A
Ithaka4	Unknown	Unknown	Unknown	Unknown	Unknown

• Tyran is a former ocean world - it's oceans, along with all other organic materials, were consumed by the Tyranid Hive Fleet Behemoth in 745.M41

Sources

• ¹: Codex: Ultramarines p. 14
• ²: Dawn of War: Dark Crusade: Fury Island (Map Description)
• ³: Codex: Tyranids (5th Edition), p.8-9
• ⁴: Brothers of the Snake (Novel) by Dan Abnett