Deuterostomia
E17771
Deuterostomia is a major animal clade that includes chordates (such as vertebrates) and echinoderms, characterized by a distinctive embryonic development pattern in which the anus forms before the mouth.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Deuterostomia canonical | 12 |
| Primitive Streak | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T111561 — 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: Deuterostomia Context triple: [Chordata, superphylum, Deuterostomia]
-
A.
Echinodermata
Echinodermata is a phylum of marine invertebrates that includes starfish, sea urchins, sand dollars, and sea cucumbers, characterized by radial symmetry and a water vascular system.
-
B.
Chordata
Chordata is a major animal phylum that includes all vertebrates and their closest invertebrate relatives, characterized by having a notochord at some stage of development.
-
C.
Urochordata
Urochordata, also known as tunicates or sea squirts, is a subphylum of mostly sessile marine animals whose larvae possess chordate features such as a notochord and dorsal nerve cord.
-
D.
Cephalochordata
Cephalochordata is a subphylum of small, fish-like marine animals (such as lancelets) that retain a notochord throughout life and are important for understanding vertebrate evolution.
-
E.
Annelida
Annelida is a phylum of segmented worms that includes earthworms, leeches, and many marine worms characterized by their ring-like body segments.
- 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: Deuterostomia Target entity description: Deuterostomia is a major animal clade that includes chordates (such as vertebrates) and echinoderms, characterized by a distinctive embryonic development pattern in which the anus forms before the mouth.
-
A.
Echinodermata
Echinodermata is a phylum of marine invertebrates that includes starfish, sea urchins, sand dollars, and sea cucumbers, characterized by radial symmetry and a water vascular system.
-
B.
Chordata
Chordata is a major animal phylum that includes all vertebrates and their closest invertebrate relatives, characterized by having a notochord at some stage of development.
-
C.
Urochordata
Urochordata, also known as tunicates or sea squirts, is a subphylum of mostly sessile marine animals whose larvae possess chordate features such as a notochord and dorsal nerve cord.
-
D.
Cephalochordata
Cephalochordata is a subphylum of small, fish-like marine animals (such as lancelets) that retain a notochord throughout life and are important for understanding vertebrate evolution.
-
E.
Annelida
Annelida is a phylum of segmented worms that includes earthworms, leeches, and many marine worms characterized by their ring-like body segments.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
animal clade
ⓘ
clade ⓘ taxon ⓘ |
| characterizedBy |
blastopore becoming anus
ⓘ
deuterostome development ⓘ enterocoelous coelom formation ⓘ indeterminate cleavage ⓘ mouth forming secondarily ⓘ radial cleavage ⓘ |
| cleavageDetermination | indeterminate ⓘ |
| cleavagePattern | radial ⓘ |
| coelomFormation | enterocoely ⓘ |
| coelomType | true coelom ⓘ |
| contains |
all vertebrates
ⓘ
humans ⓘ most large-bodied animals ⓘ |
| contrastedWith | Protostomia ⓘ |
| domain | Eukaryota ⓘ |
| embryologicalFeature | anus forms before mouth ⓘ |
| etymology | from Greek meaning "second mouth" ⓘ |
| firstDescribedBy | Karl Grobben ⓘ |
| firstDescribedInYear | 1908 ⓘ |
| habitat | mostly marine ⓘ |
| hasDevelopmentalMode | deuterostomic ⓘ |
| higherClassification | Nephrozoa ⓘ |
| includes |
Ambulacraria
ⓘ
Chordata ⓘ Echinodermata ⓘ Hemichordata ⓘ Xenacoelomorpha ⓘ |
| includesGroup |
acorn worms
ⓘ
cephalochordates ⓘ pterobranchs ⓘ sea cucumbers ⓘ sea stars ⓘ sea urchins ⓘ tunicates ⓘ vertebrates ⓘ |
| kingdom | Animalia ⓘ |
| larvalStage | often planktonic larvae ⓘ |
| partOf | Bilateria ⓘ |
| phylogeneticPosition | major branch of Bilateria ⓘ |
| reproduction | primarily sexual reproduction ⓘ |
| sisterGroup | Protostomia ⓘ |
| subdivision |
Ambulacraria
ⓘ
Chordata ⓘ |
| symmetry | bilateral symmetry in early development ⓘ |
| taxonRank | clade ⓘ |
| unrankedSuperphylum | Deuterostomia self-link ⓘ |
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: Deuterostomia Description of subject: Deuterostomia is a major animal clade that includes chordates (such as vertebrates) and echinoderms, characterized by a distinctive embryonic development pattern in which the anus forms before the mouth.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Primitive Streak