Turritopsis dohrnii
E400657
Turritopsis dohrnii is a small hydrozoan jellyfish famous for its ability to revert to an earlier life stage, effectively rendering it biologically immortal.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Turritopsis dohrnii canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3936942 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Turritopsis dohrnii Context triple: [Hydrozoa, hasMember, Turritopsis dohrnii]
-
A.
Cyclomedusa
Cyclomedusa is a disc-shaped fossil organism from the Ediacaran period, interpreted as part of the early complex multicellular life that preceded the Cambrian explosion.
-
B.
Tardigrada
Tardigrada is a phylum of microscopic, water-dwelling animals known as water bears, famous for their extreme resilience to harsh environmental conditions.
-
C.
Charniodiscus
Charniodiscus is an extinct genus of frond-like marine organisms from the Ediacaran Period, known from soft-bodied fossils that represent some of the earliest complex multicellular life.
-
D.
Mycale
Mycale is a promontory on the western coast of Asia Minor, near the island of Samos, known in antiquity as the site of a decisive Greek victory over the Persians during the Greco-Persian Wars.
-
E.
Metischnogaster
Metischnogaster is a genus of small, primitively eusocial hover wasps within the subfamily Stenogastrinae, known for their distinctive nesting behavior in tropical Asia.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Turritopsis dohrnii Target entity description: Turritopsis dohrnii is a small hydrozoan jellyfish famous for its ability to revert to an earlier life stage, effectively rendering it biologically immortal.
-
A.
Cyclomedusa
Cyclomedusa is a disc-shaped fossil organism from the Ediacaran period, interpreted as part of the early complex multicellular life that preceded the Cambrian explosion.
-
B.
Tardigrada
Tardigrada is a phylum of microscopic, water-dwelling animals known as water bears, famous for their extreme resilience to harsh environmental conditions.
-
C.
Stauromedusae
Stauromedusae are a distinctive order of stalked, sessile jellyfish that attach to substrates in cold, shallow marine waters rather than swimming freely like typical medusae.
-
D.
Charniodiscus
Charniodiscus is an extinct genus of frond-like marine organisms from the Ediacaran Period, known from soft-bodied fossils that represent some of the earliest complex multicellular life.
-
E.
Mycale
Mycale is a promontory on the western coast of Asia Minor, near the island of Samos, known in antiquity as the site of a decisive Greek victory over the Persians during the Greco-Persian Wars.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
hydrozoan
ⓘ
jellyfish ⓘ species ⓘ |
| bellColor | transparent ⓘ |
| bellShape | hemispherical ⓘ |
| bodySize | about 4.5 millimeters in diameter ⓘ |
| class | Hydrozoa ⓘ |
| commonName | immortal jellyfish ⓘ |
| describedBy | August Friedrich Leopold Weismann ⓘ |
| describedInYear | 1883 ⓘ |
| diet |
plankton
ⓘ
small marine invertebrates ⓘ |
| domain |
Eukaryota
ⓘ
linked to:
Eukarya
|
| family |
Oceaniidae
ⓘ
linked to:
Oceanitidae
|
| feedingStrategy | predatory ⓘ |
| foundIn |
Mediterranean Sea
ⓘ
temperate oceans ⓘ tropical oceans ⓘ |
| genus | Turritopsis ⓘ |
| hasAbility |
reverse its life cycle
ⓘ
revert to earlier life stage ⓘ |
| hasDistributionProperty | cosmopolitan distribution ⓘ |
| hasGonads | yes ⓘ |
| hasProperty |
biological immortality
ⓘ
can rejuvenate from medusa to polyp stage ⓘ can undergo transdifferentiation ⓘ |
| hasTentacles | yes ⓘ |
| kingdom | Animalia ⓘ |
| lifeCycleStage |
medusa
ⓘ
planula larva ⓘ polyp ⓘ |
| namedAfter | Anton Dohrn ⓘ |
| nativeHabitat | marine environment ⓘ |
| nematocystFunction |
defense
ⓘ
prey capture ⓘ |
| phylum | Cnidaria ⓘ |
| reproductionType |
asexual reproduction in polyp stage
ⓘ
sexual reproduction in medusa stage ⓘ |
| researchInterest |
aging
ⓘ
cellular reprogramming ⓘ regeneration ⓘ |
| revertsFromStage | medusa ⓘ |
| revertsToStage | polyp ⓘ |
| taxonRank | species ⓘ |
| tentacleCount | approximately 80 to 90 in adults ⓘ |
| triggerForReversion |
environmental stress
ⓘ
physical damage ⓘ starvation ⓘ |
| usesStructure | nematocysts ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Turritopsis dohrnii Description of subject: Turritopsis dohrnii is a small hydrozoan jellyfish famous for its ability to revert to an earlier life stage, effectively rendering it biologically immortal.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.