Cladistia

E41400

Cladistia is a primitive group of ray-finned fishes that includes bichirs and reedfish, characterized by lobed fins and ganoid scales.

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Statements (49)

Predicate Object
instanceOf clade
group of ray-finned fishes
taxon
characterizedBy dorsal finlets
elongated bodies in many species
ganoid scales
lobed fins
paired lungs
spiracles
class Actinopterygii
diet aquatic invertebrates
fish
distinguishedFrom Acipenseriformes
surface form: Chondrostei

Actinopterygii
surface form: Teleostei
divergedFrom other actinopterygians early in ray-finned fish evolution
eggType externally laid eggs
evolutionaryStatus basal actinopterygian lineage
extantRepresentative Polypteriformes
surface form: Polypteridae
feedingType carnivorous
finType lobed pectoral fins
fossilRecord Mesozoic
Paleozoic
geographicDistribution Africa (extant members)
habitat freshwater
hasCommonName cladistians
hasTrait cartilaginous elements in endoskeleton
gular plates in some fossil members
heterocercal or abbreviate heterocercal tail in many forms
primitive ray-finned fish morphology
includes Polypteriformes
surface form: Erpetoichthys calabaricus

Polypteriformes
Polypteriformes
surface form: Polypterus

bichirs
reedfish
includesFamily Polypteriformes
surface form: Polypteridae
kingdom Animalia
locomotion undulatory body movements
notableFeature combination of primitive and derived features among ray-finned fishes
phylum Chordata
relatedTo Actinopterygii
surface form: Actinopteri
reproduction oviparous
researchUse model for early actinopterygian evolution
respiration bimodal respiration (gills and lungs) in extant members
scaleType ganoid scales
skeletonType bony skeleton with cartilaginous components
subclass Cladistia self-link
subphylum Vertebrata
superclass Osteichthyes
timeOfOrigin at least Late Paleozoic

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Actinopterygii includesSubclass Cladistia
Cladistia subclass Cladistia self-link
Polypteriformes subclass Cladistia