Ostracoda
E425573
Ostracoda are a class of small, bivalve-shelled crustaceans commonly known as seed shrimp, found in marine and freshwater environments worldwide.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ostracoda canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4266760 — 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: Ostracoda Context triple: [Crustacea, hasSubgroup, Ostracoda]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Euphausiacea
Euphausiacea is an order of small, shrimp-like marine crustaceans known as krill, which form massive swarms and play a crucial role as primary consumers in ocean food webs.
-
E.
Rotifera
Rotifera is a phylum of microscopic, mostly aquatic invertebrates known for their wheel-like ciliated structures used for feeding and locomotion.
- 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: Ostracoda Target entity description: Ostracoda are a class of small, bivalve-shelled crustaceans commonly known as seed shrimp, found in marine and freshwater environments worldwide.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Euphausiacea
Euphausiacea is an order of small, shrimp-like marine crustaceans known as krill, which form massive swarms and play a crucial role as primary consumers in ocean food webs.
-
E.
Rotifera
Rotifera is a phylum of microscopic, mostly aquatic invertebrates known for their wheel-like ciliated structures used for feeding and locomotion.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
class of crustaceans
ⓘ
taxon ⓘ |
| classRank | Class ⓘ |
| commonName | seed shrimp ⓘ |
| firstAppearance |
Ordovician period
ⓘ
linked to:
Ordovician Period
|
| hasAppendages |
reduced number of trunk limbs
ⓘ
well-developed antennae ⓘ |
| hasBodyPlan |
bivalve carapace
ⓘ
laterally compressed body ⓘ |
| hasCarapaceComposition |
calcified cuticle
ⓘ
chitinous cuticle ⓘ |
| hasDistribution | worldwide ⓘ |
| hasEcologicalRole |
benthic detritivore
ⓘ
part of zooplankton ⓘ prey for fish ⓘ prey for invertebrates ⓘ |
| hasFeedingType |
filter feeder
ⓘ
herbivore ⓘ predator ⓘ scavenger ⓘ |
| hasFossilRecord | extensive ⓘ |
| hasHabitat |
benthic zones
ⓘ
brackish waters ⓘ freshwater environments ⓘ marine environments ⓘ planktonic zones ⓘ |
| hasLifeCycleStage |
adult
ⓘ
egg ⓘ juvenile ⓘ |
| hasLocomotion |
crawling on substrate
ⓘ
swimming with antennae ⓘ |
| hasReproduction |
asexual reproduction
ⓘ
parthenogenesis ⓘ sexual reproduction ⓘ |
| hasRespiration | cutaneous respiration ⓘ |
| hasSensoryOrgan |
compound eyes in many species
ⓘ
simple eyes in some species ⓘ |
| hasSize | mostly less than 2 millimetres in length ⓘ |
| hasSizeRange | approximately 0.2 to 30 millimetres ⓘ |
| hasSymmetry | bilateral symmetry ⓘ |
| hasTaxonomicDiversity |
many more undescribed species
ⓘ
tens of thousands of described species ⓘ |
| isImportantFor | indicator of water quality ⓘ |
| kingdom | Animalia ⓘ |
| phylum | Arthropoda ⓘ |
| shellPreservation | commonly preserved as microfossils ⓘ |
| subphylum | Crustacea ⓘ |
| usedFor |
biostratigraphy
ⓘ
paleoclimatic reconstruction ⓘ paleoenvironmental reconstruction ⓘ |
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: Ostracoda Description of subject: Ostracoda are a class of small, bivalve-shelled crustaceans commonly known as seed shrimp, found in marine and freshwater environments worldwide.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.