Dickinsonia
E219025
Dickinsonia is an extinct, soft-bodied, segmented organism from the late Ediacaran Period, notable for its quilted, oval shape and its debated position in the tree of life.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Dickinsonia canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1966346 — 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: Dickinsonia Context triple: [Ediacaran biota, includes, Dickinsonia]
-
A.
Staurozoa
Staurozoa is a class of stalked jellyfish-like cnidarians characterized by their sessile, upside-down medusa form typically attached to substrates in cold, shallow marine waters.
-
B.
Excavata
Excavata is a major supergroup of unicellular eukaryotes characterized by a ventral feeding groove and often modified mitochondria, including many free-living flagellates and important parasites.
-
C.
Thlypopsis
Thlypopsis is a genus of small Neotropical tanagers known for their colorful plumage and association with forest and woodland habitats in Central and South America.
-
D.
Rhynia
Rhynia is an extinct genus of simple, leafless vascular plants from the Early Devonian period that represents one of the earliest well-preserved examples of land plant evolution.
-
E.
Eomaia
Eomaia is an early Cretaceous mammal considered one of the oldest known eutherians, providing key insights into the early evolution of placental mammals.
- 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: Dickinsonia Target entity description: Dickinsonia is an extinct, soft-bodied, segmented organism from the late Ediacaran Period, notable for its quilted, oval shape and its debated position in the tree of life.
-
A.
Staurozoa
Staurozoa is a class of stalked jellyfish-like cnidarians characterized by their sessile, upside-down medusa form typically attached to substrates in cold, shallow marine waters.
-
B.
Excavata
Excavata is a major supergroup of unicellular eukaryotes characterized by a ventral feeding groove and often modified mitochondria, including many free-living flagellates and important parasites.
-
C.
Thlypopsis
Thlypopsis is a genus of small Neotropical tanagers known for their colorful plumage and association with forest and woodland habitats in Central and South America.
-
D.
Rhynia
Rhynia is an extinct genus of simple, leafless vascular plants from the Early Devonian period that represents one of the earliest well-preserved examples of land plant evolution.
-
E.
Eomaia
Eomaia is an early Cretaceous mammal considered one of the oldest known eutherians, providing key insights into the early evolution of placental mammals.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Ediacaran biota
ⓘ
extinct organism ⓘ fossil taxon ⓘ |
| anteriorPosteriorAxis | present (inferred) ⓘ |
| biomarkerEvidence | cholesterol biomarkers consistent with animal affinity ⓘ |
| bodyPlan |
bilaterally symmetrical
ⓘ
segmented ⓘ soft-bodied ⓘ |
| describedBy | Reginald C. Sprigg ⓘ |
| discoveredBy | Reginald C. Sprigg ⓘ |
| ecologicalRole | consumer of microbial mats (hypothesized) ⓘ |
| extinctionStatus | extinct ⓘ |
| feedingMode |
mat-grazing (hypothesized)
ⓘ
osmotrophy (hypothesized) ⓘ |
| firstAppearance | late Ediacaran ⓘ |
| fossilRecord | abundant in Ediacara-type fossil assemblages ⓘ |
| fossilType | impression fossil ⓘ |
| foundIn |
Australia
ⓘ
China ⓘ India ⓘ Russia ⓘ Ukraine ⓘ |
| geologicalAge | approximately 558–550 million years ago (approximate) ⓘ |
| growthPattern | isometric growth of modules (segments) ⓘ |
| hasBeenInterpretedAs |
early animal
ⓘ
fungus ⓘ giant protist ⓘ lichen ⓘ member of Vendobionta (hypothetical group) ⓘ |
| headRegion | poorly differentiated or absent ⓘ |
| internalOrgans | no clear evidence in fossils ⓘ |
| kingdom | incertae sedis ⓘ |
| lifestyle | benthic ⓘ |
| locomotion | creeping movement on microbial mats (inferred) ⓘ |
| morphology |
dorsoventrally flattened
ⓘ
oval-shaped ⓘ quilted ⓘ |
| notableFor |
being among the oldest putative animals
ⓘ
quilted, oval morphology ⓘ uncertain phylogenetic placement ⓘ |
| preservationEnvironment | marine seafloor ⓘ |
| segmentation | series of transverse units (modules) along body axis ⓘ |
| sizeRange | millimetres to over one metre in length ⓘ |
| taxonomicStatus | position in tree of life debated ⓘ |
| taxonRank | genus ⓘ |
| temporalRange | Ediacaran Period ⓘ |
| traceFossils | associated with movement and feeding traces ⓘ |
| typeLocality | Ediacara Hills, South Australia ⓘ |
| yearDescribed | 1947 ⓘ |
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: Dickinsonia Description of subject: Dickinsonia is an extinct, soft-bodied, segmented organism from the late Ediacaran Period, notable for its quilted, oval shape and its debated position in the tree of life.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.