Asymmetron
E77478
Asymmetron is a genus of primitive, fish-like marine chordates within the lancelets, notable for their simple body plan and key role in studies of vertebrate evolution.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Asymmetron canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T617249 — 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: Asymmetron Context triple: [Cephalochordata, contains, Asymmetron]
-
A.
Eidolon
Eidolon is an online classics journal and magazine that presents accessible, socially engaged writing on the ancient world for a broad contemporary audience.
-
B.
The Forminx
The Forminx were a 1960s Greek rock band best known today as an early musical project of composer Vangelis before his acclaimed solo career.
-
C.
Piipaash
Piipaash are a Native American people of the lower Colorado River region, closely related to the Maricopa and known for their distinct language and cultural traditions.
-
D.
Strife
Strife is a 1909 stage play by John Galsworthy that portrays a bitter industrial conflict between capital and labor, highlighting the human cost of class struggle.
-
E.
Trylon and Perisphere
Trylon and Perisphere were the iconic, futurist-themed centerpiece structures of the 1939 New York World's Fair, symbolizing modernity and technological progress.
- 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: Asymmetron Target entity description: Asymmetron is a genus of primitive, fish-like marine chordates within the lancelets, notable for their simple body plan and key role in studies of vertebrate evolution.
-
A.
Eidolon
Eidolon is an online classics journal and magazine that presents accessible, socially engaged writing on the ancient world for a broad contemporary audience.
-
B.
The Forminx
The Forminx were a 1960s Greek rock band best known today as an early musical project of composer Vangelis before his acclaimed solo career.
-
C.
Piipaash
Piipaash are a Native American people of the lower Colorado River region, closely related to the Maricopa and known for their distinct language and cultural traditions.
-
D.
Strife
Strife is a 1909 stage play by John Galsworthy that portrays a bitter industrial conflict between capital and labor, highlighting the human cost of class struggle.
-
E.
Trylon and Perisphere
Trylon and Perisphere were the iconic, futurist-themed centerpiece structures of the 1939 New York World's Fair, symbolizing modernity and technological progress.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
cephalochordate
ⓘ
genus ⓘ lancelet ⓘ |
| appendages | lacks paired fins ⓘ |
| bodyPlan | simple ⓘ |
| bodyShape |
elongated
ⓘ
laterally compressed ⓘ |
| brain | lacks well-developed brain ⓘ |
| circulatorySystem | simple circulatory system ⓘ |
| class | Leptocardii ⓘ |
| describedAs |
fish-like
ⓘ
primitive marine chordate ⓘ |
| developmentalFeature | retains many ancestral chordate traits ⓘ |
| distribution |
subtropical seas
ⓘ
tropical seas ⓘ |
| ecologicalRole | suspension feeder in marine sediments ⓘ |
| environment | benthic ⓘ |
| family | Asymmetronidae ⓘ |
| feedingType | filter feeder ⓘ |
| habitat | marine ⓘ |
| heart | lacks true heart ⓘ |
| higherClassification | Chordata > Cephalochordata > Amphioxiformes > Asymmetronidae > Asymmetron ⓘ |
| importanceInResearch |
model for vertebrate evolution
ⓘ
used in comparative genomics ⓘ used in evo-devo studies ⓘ |
| kingdom | Animalia ⓘ |
| lifestyle | infaunal ⓘ |
| notochord | present ⓘ |
| notochordExtent | extends to anterior end ⓘ |
| order |
Cephalochordata
ⓘ
surface form:
Amphioxiformes
|
| phylum | Chordata ⓘ |
| relatedTo |
Branchiostoma
ⓘ
Epigonichthys ⓘ |
| reproduction | sexual reproduction ⓘ |
| respiration | pharyngeal slits ⓘ |
| segmentation | myomeres present ⓘ |
| sensoryStructures | simple sensory organs ⓘ |
| skeletonType |
lacks true bones
ⓘ
lacks vertebral column ⓘ |
| subphylum | Cephalochordata ⓘ |
| symmetry | bilateral symmetry ⓘ |
| tail | post-anal tail present ⓘ |
| taxonRank | genus ⓘ |
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: Asymmetron Description of subject: Asymmetron is a genus of primitive, fish-like marine chordates within the lancelets, notable for their simple body plan and key role in studies of vertebrate evolution.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.