Triple
T30616740
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pikaia |
E779334
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | early chordate |
C18290
|
CONCEPT FINISHED |
How this triple was built (1 step)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
CD
Concept disambiguation
gpt-5-mini-2025-08-07
Target class: early chordate Context triple: [Pikaia, instanceOf, early chordate]
-
A.
chordate
chosen
A chordate is an animal belonging to the phylum Chordata, characterized at some stage of its life cycle by the presence of a notochord, a dorsal hollow nerve cord, pharyngeal slits, an endostyle or thyroid gland, and a post-anal tail.
-
B.
extinct jawless vertebrate clade
An extinct jawless vertebrate clade is a group of early vertebrates lacking jaws, known only from the fossil record, that played a key role in the initial diversification of vertebrate body plans.
-
C.
early diapsid
An early diapsid is a primitive reptile or reptile-like vertebrate from the late Paleozoic to early Mesozoic characterized by a skull with two temporal openings, representing the ancestral stock of most later reptiles including lizards, snakes, crocodilians, and dinosaurs.
-
D.
lancelet
A lancelet is a small, fish-like marine invertebrate chordate that retains a notochord throughout life and serves as a model for understanding early vertebrate evolution.
-
E.
group of jawless fishes
A group of jawless fishes is a primitive assemblage of vertebrates characterized by the absence of true jaws and paired fins, typically including hagfishes and lampreys.
- F. None of above.
Provenance (1 batch)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69f224a3307081909a6dca8ca75dbf48 |
completed | April 29, 2026, 3:32 p.m. |
Created at: April 29, 2026, 8:26 p.m.