Marsupialia
E147868
Marsupialia is a group of mammals characterized by giving birth to relatively undeveloped young that typically continue developing in a pouch.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Marsupialia canonical | 60 |
| Metatheria | 8 |
| Metatheria (marsupials and relatives) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1297379 — 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: Marsupialia Context triple: [Diprotodontia, infraclass, Marsupialia]
-
A.
Marsupiale
Marsupiale is the nickname of the Savoia-Marchetti SM.82, an Italian World War II-era three-engined transport and bomber aircraft.
-
B.
Diprotodontia
Diprotodontia is a large order of marsupial mammals, including kangaroos, wallabies, koalas, and wombats, primarily native to Australia and nearby regions.
-
C.
Macropodidae
Macropodidae is a family of marsupials that includes kangaroos, wallabies, and their close relatives, characterized by powerful hind legs adapted for hopping.
-
D.
Eutheria
Eutheria is a major clade of mammals that includes all placental mammals and their extinct relatives, characterized by prolonged gestation and complex placental development.
-
E.
Mammalia
Mammalia is the vertebrate class of warm-blooded, typically fur-bearing animals that nourish their young with milk produced by mammary glands.
- 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: Marsupialia Target entity description: Marsupialia is a group of mammals characterized by giving birth to relatively undeveloped young that typically continue developing in a pouch.
-
A.
Marsupiale
Marsupiale is the nickname of the Savoia-Marchetti SM.82, an Italian World War II-era three-engined transport and bomber aircraft.
-
B.
Diprotodontia
Diprotodontia is a large order of marsupial mammals, including kangaroos, wallabies, koalas, and wombats, primarily native to Australia and nearby regions.
-
C.
Macropodidae
Macropodidae is a family of marsupials that includes kangaroos, wallabies, and their close relatives, characterized by powerful hind legs adapted for hopping.
-
D.
Eutheria
Eutheria is a major clade of mammals that includes all placental mammals and their extinct relatives, characterized by prolonged gestation and complex placental development.
-
E.
Mammalia
Mammalia is the vertebrate class of warm-blooded, typically fur-bearing animals that nourish their young with milk produced by mammary glands.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
clade
ⓘ
taxonomic infraclass ⓘ |
| characteristic |
choriovitelline (yolk sac) placenta in most species
ⓘ
extended lactation period ⓘ give birth to relatively undeveloped young ⓘ lower metabolic rate than most placental mammals ⓘ presence of a marsupium in many species ⓘ presence of epipubic bones in most species ⓘ reproductive tract with bifurcated uterus in females ⓘ short gestation period ⓘ specialized dentition varying by diet ⓘ young typically continue development in a pouch ⓘ |
| class | Mammalia ⓘ |
| commonName | marsupials ⓘ |
| contains |
Dasyuromorphia
ⓘ
Didelphimorphia ⓘ Diprotodontia ⓘ Microbiotheria ⓘ Notoryctemorphia ⓘ Paucituberculata ⓘ Peramelemorphia ⓘ |
| distinguishedFrom | Placentalia by reproductive traits ⓘ |
| diversityCenter | Australia ⓘ |
| fossilRecordSince | Cretaceous period ⓘ |
| hasLivingSpeciesCountApprox | about 330 species ⓘ |
| higherTaxon | Mammalia ⓘ |
| includes |
Tasmanian devil
ⓘ
bandicoots ⓘ kangaroos ⓘ koalas ⓘ marsupial moles ⓘ opossums ⓘ quolls ⓘ wallabies ⓘ wombats ⓘ |
| kingdom | Animalia ⓘ |
| latinNameMeaning | “those that bear pouches” (from Latin marsupium) ⓘ |
| moreSpeciesIn | Australia than in the Americas ⓘ |
| nativeTo |
Americas
ⓘ
Australia ⓘ New Guinea ⓘ Tasmania ⓘ nearby Australasian islands ⓘ |
| phylum | Chordata ⓘ |
| reproductiveStrategy | altricial young completing development externally in pouch or on teat ⓘ |
| sisterGroup |
Eutheria
ⓘ
Placentalia ⓘ |
| subphylum | Vertebrata ⓘ |
| supercohort | Theria ⓘ |
| taxonRank | infraclass ⓘ |
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: Marsupialia Description of subject: Marsupialia is a group of mammals characterized by giving birth to relatively undeveloped young that typically continue developing in a pouch.
Referenced by (69)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Marsupialia
linked to: Marsupialia
linked to: Marsupialia
linked to: Marsupialia
linked to: Marsupialia
subject linked to:
Microbiotheria (fossil eutherians sometimes historically misassigned)
linked to: Marsupialia
linked to: Marsupialia
subject linked to:
order Microbiotheria