Cephalocarida
E429662
Cephalocarida are a small, primitive class of benthic marine crustaceans characterized by their simple body plan and importance for understanding crustacean evolution.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cephalocarida canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4266762 — 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: Cephalocarida Context triple: [Crustacea, hasSubgroup, Cephalocarida]
-
A.
Kinorhyncha
Kinorhyncha are a phylum of minute, segmented, marine invertebrates known as mud dragons, characterized by a spiny head and burrowing lifestyle in marine sediments.
-
B.
Amphipoda
Amphipoda is an order of small, laterally compressed crustaceans that includes sand hoppers, beach fleas, and many freshwater and marine species important in aquatic ecosystems.
-
C.
Ostracoda
Ostracoda are a class of small, bivalve-shelled crustaceans commonly known as seed shrimp, found in marine and freshwater environments worldwide.
-
D.
Neritimorpha
Neritimorpha is a major clade of gastropod mollusks that includes nerites and their relatives, characterized by typically small, often globular shells and a long fossil record extending back to the Paleozoic.
-
E.
Anaspida
Anaspida is an extinct group of jawless, armored fishes known from the Silurian and Devonian periods, characterized by streamlined bodies and bony head shields.
- 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: Cephalocarida Target entity description: Cephalocarida are a small, primitive class of benthic marine crustaceans characterized by their simple body plan and importance for understanding crustacean evolution.
-
A.
Kinorhyncha
Kinorhyncha are a phylum of minute, segmented, marine invertebrates known as mud dragons, characterized by a spiny head and burrowing lifestyle in marine sediments.
-
B.
Amphipoda
Amphipoda is an order of small, laterally compressed crustaceans that includes sand hoppers, beach fleas, and many freshwater and marine species important in aquatic ecosystems.
-
C.
Ostracoda
Ostracoda are a class of small, bivalve-shelled crustaceans commonly known as seed shrimp, found in marine and freshwater environments worldwide.
-
D.
Neritimorpha
Neritimorpha is a major clade of gastropod mollusks that includes nerites and their relatives, characterized by typically small, often globular shells and a long fossil record extending back to the Paleozoic.
-
E.
Anaspida
Anaspida is an extinct group of jawless, armored fishes known from the Silurian and Devonian periods, characterized by streamlined bodies and bony head shields.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
class of crustaceans
ⓘ
taxon ⓘ |
| appendages | numerous similar trunk limbs ⓘ |
| bodyPlan |
elongated body
ⓘ
homonomous trunk segments ⓘ lack of carapace ⓘ segmented body ⓘ |
| bodySymmetry | bilateral symmetry ⓘ |
| cephalon | poorly differentiated from trunk ⓘ |
| commonName | horseshoe shrimps ⓘ |
| contains |
Hutchinsoniella macracantha
ⓘ
Lightiella floridana ⓘ Lightiella incisa ⓘ Lightiella magdalenina ⓘ Lightiella monniotae ⓘ Lightiella serendipita ⓘ |
| describedBy | Howard L. Sanders ⓘ |
| development | direct development ⓘ |
| distribution | worldwide oceans ⓘ |
| ecologicalRole | benthic detritivore ⓘ |
| environment | saltwater ⓘ |
| extant | true ⓘ |
| eyeType | lacking compound eyes ⓘ |
| feedingType |
deposit feeder
ⓘ
suspension feeder ⓘ |
| gutType | simple straight gut ⓘ |
| habitat |
benthic zone
ⓘ
marine ⓘ |
| importance | important for understanding crustacean evolution ⓘ |
| kingdom | Animalia ⓘ |
| larvalStage | absence of distinct larval stage ⓘ |
| locomotion | swimming with trunk appendages ⓘ |
| microhabitat | interstitial spaces in marine sediments ⓘ |
| phylum | Arthropoda ⓘ |
| rank | class ⓘ |
| reproduction | sexual reproduction ⓘ |
| researchUse | model for primitive crustacean morphology ⓘ |
| respiration | through body surface and appendages ⓘ |
| scientificNameAuthorship | Sanders, 1955 ⓘ |
| sensorySystem | reduced eyes or absence of eyes ⓘ |
| size | a few millimetres in length ⓘ |
| subphylum | Crustacea ⓘ |
| substrateAssociation | soft sediments ⓘ |
| temperaturePreference | mostly temperate to cold waters ⓘ |
| trophicLevel |
detritivore
ⓘ
primary consumer ⓘ |
| yearDescribed | 1955 ⓘ |
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: Cephalocarida Description of subject: Cephalocarida are a small, primitive class of benthic marine crustaceans characterized by their simple body plan and importance for understanding crustacean evolution.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.