Somphospondyli
E364821
Somphospondyli is a major group of titanosauriform sauropod dinosaurs that includes many of the largest known land animals, characterized by elongated necks and widespread distribution during the Cretaceous Period.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Somphospondyli canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3524091 — 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: Somphospondyli Context triple: [Patagotitan mayorum, clade, Somphospondyli]
-
A.
Saurischia
Saurischia is one of the two major dinosaur clades, characterized by a lizard-hipped pelvic structure and including both theropods (ancestors of birds) and sauropodomorphs.
-
B.
Diapsida
Diapsida is a major clade of reptiles characterized by two temporal skull openings, encompassing groups such as lizards, snakes, crocodilians, and birds.
-
C.
Dinosauria
Dinosauria is a diverse clade of reptiles that originated in the Mesozoic Era and includes both extinct non-avian dinosaurs and modern birds.
-
D.
Carnosauria
Carnosauria is a clade of large, typically bipedal predatory dinosaurs that includes formidable Jurassic and Cretaceous hunters such as Allosaurus and Giganotosaurus.
-
E.
Archosauria
Archosauria is a major group of diapsid reptiles that includes all living birds and crocodilians, as well as their extinct dinosaur and pterosaur relatives.
- 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: Somphospondyli Target entity description: Somphospondyli is a major group of titanosauriform sauropod dinosaurs that includes many of the largest known land animals, characterized by elongated necks and widespread distribution during the Cretaceous Period.
-
A.
Saurischia
Saurischia is one of the two major dinosaur clades, characterized by a lizard-hipped pelvic structure and including both theropods (ancestors of birds) and sauropodomorphs.
-
B.
Diapsida
Diapsida is a major clade of reptiles characterized by two temporal skull openings, encompassing groups such as lizards, snakes, crocodilians, and birds.
-
C.
Dinosauria
Dinosauria is a diverse clade of reptiles that originated in the Mesozoic Era and includes both extinct non-avian dinosaurs and modern birds.
-
D.
Carnosauria
Carnosauria is a clade of large, typically bipedal predatory dinosaurs that includes formidable Jurassic and Cretaceous hunters such as Allosaurus and Giganotosaurus.
-
E.
Archosauria
Archosauria is a major group of diapsid reptiles that includes all living birds and crocodilians, as well as their extinct dinosaur and pterosaur relatives.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
clade
ⓘ
dinosaur clade ⓘ sauropod clade ⓘ |
| characteristic |
elongate cervical vertebrae
ⓘ
elongated neck ⓘ large body size ⓘ pneumatic vertebrae ⓘ reduced neural spines in some vertebrae ⓘ wide-gauge limb posture in many members ⓘ |
| containsSomeOfLargestKnown | land animals ⓘ |
| definingFeature | highly pneumatic presacral vertebrae ⓘ |
| diet | herbivorous ⓘ |
| distribution | global ⓘ |
| ecologicalRole | large-bodied terrestrial herbivore ⓘ |
| etymologyLanguage | Greek ⓘ |
| firstAppearance | Early Cretaceous ⓘ |
| fossilSite |
Africa
ⓘ
Antarctica ⓘ Asia ⓘ Australia ⓘ Europe ⓘ North America ⓘ South America ⓘ |
| includesTaxon |
Brachiosauridae
ⓘ
surface form:
Brachiosauridae (in some definitions, as stem-titanosauriforms)
Euhelopodidae ⓘ Euhelopus ⓘ Sauroposeidon ⓘ Titanosauria ⓘ |
| lastAppearance | Late Cretaceous ⓘ |
| locomotion | quadrupedal ⓘ |
| memberOf |
Neosauropoda
ⓘ
surface form:
Titanosauriformes
|
| nameMeaning | “porous vertebrae” ⓘ |
| parentTaxon |
Animalia
ⓘ
Archosauria ⓘ Bilateria ⓘ Chordata ⓘ Diapsida ⓘ Dinosauria ⓘ Ornithodira ⓘ
surface form:
Dinosauromorpha
Macronaria ⓘ Ornithoscelida ⓘ Saurischia ⓘ Sauropoda ⓘ Sauropsida ⓘ Tetrapoda ⓘ Titanosauriformes ⓘ Vertebrata ⓘ |
| reproduction | oviparous ⓘ |
| skeletonCharacteristic | hollowed internal structure of vertebrae due to air sacs ⓘ |
| subgroupOf | Neosauropoda ⓘ |
| taxonRank | clade ⓘ |
| temporalRange | Cretaceous ⓘ |
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: Somphospondyli Description of subject: Somphospondyli is a major group of titanosauriform sauropod dinosaurs that includes many of the largest known land animals, characterized by elongated necks and widespread distribution during the Cretaceous Period.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.