Evidence-first catalogue of unidentified aerial phenomena, non-human intelligence profiles, and radar-tracked encounters, cross-referenced with declassified intelligence and cited bibliography.
GUIMARÃES SEA-EMERGENT DISC (1956 CONTACT CLAIM)
Case-specific disc claimed by João de Freitas Guimarães to have emerged from the sea and landed near him in Brazil. Clark states that the story has no independent verification or supporting evidence, so all associated claims are disputed.
No recurring controlled-vocabulary characteristic has enough published cited data to summarize yet.
No narrower variants are currently documented for this family.
This family groups reports by recurring visible morphology. Membership does not establish that the underlying objects are identical, technologically related, or anomalous in origin.