Acipenseriformes
E50653
Acipenseriformes is an order of primitive ray-finned fishes that includes sturgeons and paddlefishes, known for their cartilaginous skeletons and importance in caviar production.
Observed surface forms (1)
| Surface form | As subject | As object |
|---|---|---|
| Chondrostei | 0 | 2 |
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
order of fishes
→
taxon → |
| bodyFeature |
elongated body
→
heterocercal tail → largely cartilaginous endoskeleton → |
| class | Actinopterygii → |
| commonName | sturgeons and allies → |
| conservationStatus |
many species endangered
→
many species threatened → |
| distribution | Northern Hemisphere → |
| earliestFossilRecord | Late Jurassic → |
| economicImportance |
commercial fisheries
→
source of black caviar → |
| evolutionaryStatus | primitive actinopterygians → |
| feedingAdaptation | barbels around mouth in sturgeons → |
| feedingType |
benthic feeders (many sturgeons)
→
planktivores (some paddlefishes) → |
| finType | ray-finned → |
| habitat |
brackish water
→
coastal marine waters → freshwater → |
| includes |
paddlefishes
→
sturgeons → |
| jawFeature | protrusible mouth in many species → |
| kingdom | Animalia → |
| notableFor | caviar production → |
| phylum | Chordata → |
| regulatoryConcern | subject to international trade controls (e.g., CITES) → |
| relatedTo | Neopterygii (more derived ray-finned fishes) → |
| reproduction | oviparous → |
| sensoryFeature | well-developed electroreception in some species → |
| skeletonComposition |
notochord persistent in adults
→
reduced ossification → |
| skeletonType | primarily cartilaginous skeleton → |
| snoutFeature | elongated rostrum in many species → |
| subclass |
Acipenseriformes
self-linksurface differs
→
surface form:
Chondrostei
|
| swimBladder | physostomous swim bladder in many species → |
| taxonRank | order → |
| timeOfOrigin |
Mesozoic Era
→
surface form:
Mesozoic era
|
| typeGenus | Acipenser → |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chondrostei
this entity surface form:
Chondrostei