Monoplacophora
E97472
Monoplacophora is a small, primitive class of deep-sea molluscs characterized by a single cap-like shell and serially repeated internal organs, offering key insights into molluscan and bilaterian evolution.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Monoplacophora canonical | 1 |
| Nautilus (marine mollusk) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T802164 — 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: Monoplacophora Context triple: [Mollusca, includesClass, Monoplacophora]
-
A.
Gastropoda
Gastropoda is a large and diverse class of mollusks that includes snails and slugs, characterized by a muscular foot and often a coiled shell.
-
B.
Mollusca
Mollusca is a large and diverse phylum of invertebrate animals that includes snails, clams, squids, and octopuses, typically characterized by soft bodies often protected by a hard shell.
-
C.
Lophotrochozoa
Lophotrochozoa is a major clade of protostome animals that includes diverse groups such as annelid worms, mollusks, and brachiopods, united by shared developmental and molecular characteristics.
-
D.
Sabellian
Sabellian is an extinct group of Italic languages once spoken in ancient central and southern Italy, related to but distinct from Latin.
-
E.
Ammonite
Ammonite is an extinct Northwest Semitic language once spoken by the ancient Ammonite people in the region of modern-day Jordan.
- 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: Monoplacophora Target entity description: Monoplacophora is a small, primitive class of deep-sea molluscs characterized by a single cap-like shell and serially repeated internal organs, offering key insights into molluscan and bilaterian evolution.
-
A.
Gastropoda
Gastropoda is a large and diverse class of mollusks that includes snails and slugs, characterized by a muscular foot and often a coiled shell.
-
B.
Mollusca
Mollusca is a large and diverse phylum of invertebrate animals that includes snails, clams, squids, and octopuses, typically characterized by soft bodies often protected by a hard shell.
-
C.
Lophotrochozoa
Lophotrochozoa is a major clade of protostome animals that includes diverse groups such as annelid worms, mollusks, and brachiopods, united by shared developmental and molecular characteristics.
-
D.
Sabellian
Sabellian is an extinct group of Italic languages once spoken in ancient central and southern Italy, related to but distinct from Latin.
-
E.
Ammonite
Ammonite is an extinct Northwest Semitic language once spoken by the ancient Ammonite people in the region of modern-day Jordan.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
class of molluscs
ⓘ
taxonomic class ⓘ |
| ancestralStatus | considered primitive within Mollusca ⓘ |
| belongsTo |
Lophotrochozoa
ⓘ
surface form:
clade Lophotrochozoa
subkingdom Eumetazoa ⓘ |
| bodyPlan | low, limpet-like profile ⓘ |
| bodySymmetry | bilateral symmetry ⓘ |
| characteristic |
multiple pairs of gills
ⓘ
multiple pairs of muscles ⓘ multiple pairs of nephridia ⓘ primitive molluscan features ⓘ serially repeated internal organs ⓘ |
| circulatorySystem | open circulatory system ⓘ |
| coelom | reduced coelom ⓘ |
| commonName | monoplacophorans ⓘ |
| distribution | worldwide oceans ⓘ |
| environment |
abyssal zone
ⓘ
bathyal zone ⓘ |
| feedingType |
detritivores
ⓘ
grazers ⓘ |
| fossilRecord | known from Paleozoic fossils ⓘ |
| habitat |
benthic zone
ⓘ
deep sea ⓘ |
| kingdom | Animalia ⓘ |
| larvalStage | trochophore-like larva ⓘ |
| lifestyle | slow-moving ⓘ |
| locomotion | muscular foot ⓘ |
| nervousSystem | simple nervous system ⓘ |
| notableGenus | Neopilina ⓘ |
| phylum | Mollusca ⓘ |
| rediscovery | rediscovered as living species in the 20th century ⓘ |
| reproduction |
separate sexes
ⓘ
sexual reproduction ⓘ |
| researchRelevance | important for phylogenetic analyses of Mollusca ⓘ |
| researchUse |
comparative anatomy of bilaterians
ⓘ
study of segmentation in molluscs ⓘ |
| respiration | ctenidia (gills) ⓘ |
| scientificImportance |
key to understanding bilaterian evolution
ⓘ
key to understanding molluscan evolution ⓘ |
| shellComposition | calcareous shell ⓘ |
| shellType | single cap-like shell ⓘ |
| size | small-bodied molluscs ⓘ |
| skeleton | shell as external skeleton ⓘ |
| substrateAssociation | soft sediment seafloor ⓘ |
| taxonomicRank | class ⓘ |
| thoughtStatus | long thought extinct ⓘ |
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: Monoplacophora Description of subject: Monoplacophora is a small, primitive class of deep-sea molluscs characterized by a single cap-like shell and serially repeated internal organs, offering key insights into molluscan and bilaterian evolution.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Nautilus (marine mollusk)