Prehistoric collection
This site's Prehistoric group contains 8 documented pet records. It organizes source references and personal collection planning; it does not certify a complete current in-game Index or turn the group name into an official egg.
Named pet records
Ankylosaurus pet record: Ankylosaurus is listed in the Prehistoric community roster as Mythic. The reported base rate is 120,000 money/s; Index entries…
databaseBronto pet recordBronto pet record: Bronto is listed in the Prehistoric community roster as Cosmic. The reported base rate is 1,500,000 money/s; Index entries report…
databaseDodo pet recordDodo pet record: Dodo is listed in the Prehistoric community roster as Rare. The reported base rate is 280 money/s; Index entries report 240,000 Speed…
databaseMosasaurus pet recordMosasaurus pet record: Mosasaurus is listed in the Prehistoric community roster as Eternal. The reported base rate is 180,000,000 money/s; Index…
databasePterodactyl pet recordPterodactyl pet record: Pterodactyl is listed in the Prehistoric community roster as Legendary. The reported base rate is 22,000 money/s; Index entries…
databaseT-Rex pet recordT-Rex pet record: T-Rex is listed in the Prehistoric community roster as Secret. The reported base rate is 25,000,000 money/s; Index entries report…
databaseTralaledon pet recordTralaledon pet record: Tralaledon is listed in the Prehistoric community roster as Secret. The reported base rate is 32,000,000 money/s; Index entries…
databaseTriceratops pet recordTriceratops pet record: Triceratops is listed in the Prehistoric community roster as Cosmic. The reported base rate is 1,200,000 money/s; Index entries…
Source pools
The T-Rex Egg is named in official Roblox promotional artwork. Its present spawn rules must be checked in the game.
databasePrehistoric collection poolPrehistoric collection pool: Prehistoric collection pool is recorded as community group. This reference connects 8 documented pet records with…
Group coverage
| Field | Documented result |
|---|---|
| Names | 8 |
| Conflicted records | 0 |
| Rarity labels | Mythic, Cosmic, Rare, Eternal, Legendary, Secret |
| Current complete Index | Not directly observed |
Track your own hatches
Check a name only after matching the actual hatch or inventory. Export your browser checklist before clearing storage. A source grouping is not proof of current availability.
Keep a private checklist of named pets, grouped by biome or Rift pool, and export it before changing devices. A checked box records your own…
hubPet IndexExplore 162 documented Steal An Egg pet names, inspect dated field sources and unresolved conflicts, and track your own confirmed collection.
Related pages
Collection directory: Choose a documented source group, then compare the named records with your in-game Index. Biomes, Rift pools and special sources…
databasePet databaseBrowse 162 documented Steal An Egg pet records by collection, with source-level evidence, reported income, Index rewards and visible uncertainties.
databaseEgg databaseFind an egg by name, rarity, biome or event, then check how its acquisition is documented. Official artwork, reported Rift pools and unresolved…
Sources & review notes
Checked 2026-09-26. Content revised 2026-09-26. Source dates and confidence apply to the claims they support, not to every possible value in the game.
- Ankylosaurus — community field referenceReported · not independently verified · checked 2026-09-26T14:03:44.386Z · published 2026-09-24
Reported name, collection, rarity, income and Index reward fields only. Exact acquisition, hatch odds, modifiers and source-computed rarity scores are not certified or imported.
- Independent fan roster comparison (September 23)Reported · not independently verified · checked 2026-09-26T14:04:32.864Z · published 2026-09-23
Comparison snapshot only; corroboration of some labels and values is not independent gameplay measurement.