Spriggina
E219027
Spriggina is an extinct, segmented Ediacaran organism thought to be an early bilaterian animal and a possible ancestor or relative of arthropods or annelids.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Spriggina canonical | 3 |
| Spriggina floundersi | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1966349 — 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: Spriggina Context triple: [Ediacaran biota, includes, Spriggina]
-
A.
Zygomaturus
Zygomaturus is an extinct genus of large, herbivorous Australian marsupials related to wombats and diprotodontids that lived during the Pleistocene.
-
B.
Eomaia
Eomaia is an early Cretaceous mammal considered one of the oldest known eutherians, providing key insights into the early evolution of placental mammals.
-
C.
Hesperethusa
Hesperethusa is a genus of flowering plants in the citrus family Rutaceae, known for species such as Hesperethusa crenulata (also called Limonia crenulata) that are native to South and Southeast Asia.
-
D.
Urocitellus
Urocitellus is a genus of ground squirrels native to North America, known for their burrowing behavior and adaptation to open grassland and steppe habitats.
-
E.
Lagorchestes
Lagorchestes is a genus of small, fast-moving Australian marsupials commonly known as hare-wallabies, belonging to the kangaroo family.
- 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: Spriggina Target entity description: Spriggina is an extinct, segmented Ediacaran organism thought to be an early bilaterian animal and a possible ancestor or relative of arthropods or annelids.
-
A.
Zygomaturus
Zygomaturus is an extinct genus of large, herbivorous Australian marsupials related to wombats and diprotodontids that lived during the Pleistocene.
-
B.
Eomaia
Eomaia is an early Cretaceous mammal considered one of the oldest known eutherians, providing key insights into the early evolution of placental mammals.
-
C.
Hesperethusa
Hesperethusa is a genus of flowering plants in the citrus family Rutaceae, known for species such as Hesperethusa crenulata (also called Limonia crenulata) that are native to South and Southeast Asia.
-
D.
Urocitellus
Urocitellus is a genus of ground squirrels native to North America, known for their burrowing behavior and adaptation to open grassland and steppe habitats.
-
E.
Lagorchestes
Lagorchestes is a genus of small, fast-moving Australian marsupials commonly known as hare-wallabies, belonging to the kangaroo family.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Ediacaran organism
ⓘ
bilaterian ⓘ fossil genus ⓘ segmented animal ⓘ species ⓘ |
| bodyPlan |
bilaterally symmetrical
ⓘ
segmented ⓘ |
| coexistsWith |
Charniodiscus
ⓘ
Dickinsonia ⓘ Tribrachidium ⓘ |
| ecologicalRole | benthic organism ⓘ |
| environment | shallow marine ⓘ |
| firstDescribedBy | Martin Glaessner NERFINISHED ⓘ |
| firstDescribedInYear | 1958 ⓘ |
| fossilRange | late Ediacaran ⓘ |
| foundIn |
Ediacara Hills
ⓘ
linked to:
Ediacara Hills, South Australia
Flinders Ranges ⓘ Namibia ⓘ Russia ⓘ South Australia ⓘ White Sea region ⓘ
linked to:
White Sea coast
|
| genus | Spriggina ⓘ |
| geologicalPeriod |
Ediacaran
ⓘ
linked to:
Ediacaran Period
|
| hasAnteriorRegion | distinct head-like region ⓘ |
| hasFeature |
crescent-shaped head shield
ⓘ
possible cephalic differentiation ⓘ tapering body ⓘ transverse segments ⓘ |
| hasPosteriorRegion | segmented trunk ⓘ |
| kingdom | Animalia ⓘ |
| length | about 3 cm to 5 cm ⓘ |
| livedOn | sea floor ⓘ |
| namedAfter | Reginald Claude Sprigg ⓘ |
| occursIn |
Ediacara biota
ⓘ
linked to:
Ediacaran biota
|
| phylum | incertae sedis ⓘ |
| possibleAffinity |
annelids
ⓘ
arthropods ⓘ proarticulatans ⓘ stem-group bilaterians ⓘ |
| preservationType |
impression fossil
ⓘ
sandstone bedding planes ⓘ |
| scientificDebate | phylogenetic position uncertain ⓘ |
| significance |
important for understanding early animal evolution
ⓘ
possible early bilaterian ⓘ possible relative of annelids ⓘ possible relative of arthropods ⓘ |
| status | extinct ⓘ |
| typeSpecies |
Spriggina floundersi
ⓘ
linked to:
Spriggina
|
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: Spriggina Description of subject: Spriggina is an extinct, segmented Ediacaran organism thought to be an early bilaterian animal and a possible ancestor or relative of arthropods or annelids.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Spriggina