Tetrapoda
E843738
Tetrapoda is a major vertebrate clade comprising four-limbed animals and their descendants, including amphibians, reptiles, birds, and mammals.
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
clade
ⓘ
taxon ⓘ vertebrate clade ⓘ |
| containsGroup |
crown tetrapods
ⓘ
stem tetrapods ⓘ |
| crownGroupIncludes |
Amniota
NERFINISHED
ⓘ
Lissamphibia NERFINISHED ⓘ |
| evolvedFrom |
Sarcopterygii
NERFINISHED
ⓘ
lobe-finned fishes ⓘ |
| firstAppearance |
Late Devonian
ⓘ
about 370 million years ago ⓘ |
| habitat |
freshwater environments
ⓘ
marine environments ⓘ terrestrial environments ⓘ |
| hasCharacteristic |
bony endoskeleton
ⓘ
four limbs or descended from four-limbed ancestors ⓘ internal nostrils (choanae) in most lineages ⓘ lungs for air breathing ⓘ neck separating head from trunk ⓘ paired limbs with digits ⓘ pelvic girdle attached to vertebral column ⓘ weight-bearing limb girdles ⓘ |
| hasSynapomorphy |
limbs with digits instead of paired fins
ⓘ
loss or reduction of internal gills in adults ⓘ stapes (ear bone) derived from hyomandibula ⓘ |
| higherClassification |
Gnathostomata
NERFINISHED
ⓘ
Osteichthyes NERFINISHED ⓘ |
| includesExtant |
amphibians
GENERATED
ⓘ
birds GENERATED ⓘ mammals GENERATED ⓘ reptiles GENERATED ⓘ |
| includesExtinct |
early stem tetrapods
GENERATED
ⓘ
many Paleozoic amphibian-grade groups GENERATED ⓘ |
| includesTaxon |
Amniota
ⓘ
Amphibia ⓘ Aves NERFINISHED ⓘ Lissamphibia NERFINISHED ⓘ Mammalia NERFINISHED ⓘ Reptilia NERFINISHED ⓘ |
| kingdom | Animalia ⓘ |
| partOf | Sarcopterygii ⓘ |
| phylum | Chordata ⓘ |
| reproductionMode |
oviparous in many lineages
ⓘ
viviparous in some lineages ⓘ |
| subdivision |
Batrachomorpha
NERFINISHED
ⓘ
Reptiliomorpha NERFINISHED ⓘ |
| subphylum | Vertebrata NERFINISHED ⓘ |
| taxonRank | superclass ⓘ |
| typeSpeciesOrRepresentative |
Acanthostega
NERFINISHED
ⓘ
Ichthyostega NERFINISHED ⓘ |
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.