Other / Unknown · Riverside, California · 1958
CA-1958ID case-5a989b365eAdded to map Oct 23, 2026
- Creature
- Other / Unknown
- When
- Nov 9, 1958to the day
- Where
- Riverside, Californiato town level
- Reports
- 1 document1 independent
The account
Another motorist reported seeing a large shadowy something run across the road near the Santa Ana River the night after [name]'s encounter.
See the source ↓ one document so far, so there is no trail to follow yet
We map claims, not creatures: this is what the sources say, not proof. How a case is built
Details
- Creature
- Other / Unknown
- Where
- Riverside, Riverside County, California, United States
mapped to town level · from the report's own words - When
- Nov 9, 1958
- Account
- Not first-hand (retold or reported by someone else)
- Backed by
- 1 independent source
- Added to map
- Oct 23, 2026
- Case id
- case-5a989b365e
Place lookups use data © OpenStreetMap contributors (ODbL), via Nominatim. All credits
Source trail (1)
Every link goes to where we found the account. The earliest we found is marked; it is the earliest found, not necessarily the original.
- The Riverside Reptoid by Lyle Blackburn
Reddit · 2022-04-10
Earliest found, not necessarily the original.
Further reading
- The Jersey Devil, James F. McCloy and Ray Miller Jr. (1976)
The New Jersey Pine Barrens legend and its 1909 flap.
Borrow on Internet Archive - Phantom of the Pines: More Tales of the Jersey Devil, James F. McCloy and Ray Miller Jr. (1998)
Borrow on Internet Archive - On the Track of Unknown Animals, Bernard Heuvelmans (1959)
The founding work of cryptozoology.
Borrow on Internet Archive - Cryptozoology A to Z, Loren Coleman and Jerome Clark (1999)
Encyclopedia of reported creatures.
Borrow on Internet Archive
Books we have not reproduced: borrow them free at archive.org. Listing a book is not an endorsement of its claims.