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Taxonomy Guide

The RESTasaurus API uses a hierarchical biological classification system to organize dinosaur taxonomy. Each dinosaur’s classification follows the standard Linnaean taxonomy system with the following hierarchy levels:

Domain → Kingdom → Phylum → Clade → Class → Order → Family → Tribe → Genus → Species

The API follows this order when displaying classification information:

LevelKeyLabel
DomaindomainHighest taxonomic rank (e.g., Eukaryota)
KingdomkingdomTaxonomic kingdom (e.g., Animalia)
SuperphylumsuperphylumPhylum division above main phylum
PhylumphylumMajor taxonomic group (e.g., Chordata)
CladecladeEvolutionary group (e.g., Dinosauria, Saurischia)
ClassclassInfoClass classification (e.g., Reptilia)
OrderorderInfoTaxonomic order (e.g., Saurischia)
FamilyfamilyInfoFamily classification (e.g., Tyrannosauridae)
TribetribeInfoTribe classification (e.g., Tyrannosaurini)
GenusgenusInfoGenus name (e.g., Tyrannosaurus)
SpeciesspeciesInfoSpecies name (e.g., Tyrannosaurus rex)

The classInfo field supports these classification types in order:

TypeDescription
SuperclassTaxonomic rank above class (e.g., Diapsida)
ClassThe class itself (e.g., Reptilia)
SubclassRank below class (e.g., Diapsida)
InfraclassSubdivisions of class (e.g., Archosauromorpha)
SubterclassFurther subdivisions (e.g., Pterosauria)
ParvclassMinor class group (e.g., Pterosauromorpha)

Order: Superclass → Class → Subclass → Infraclass → Subterclass → Parvclass

The orderInfo field supports these classification types in order:

TypeDescription
MagnorderLarge group of orders (e.g., Saurischia)
SuperorderGroup of related orders (e.g., Theropoda)
GrandorderMajor taxonomic rank (e.g., Coelurosauria)
MirorderMirrored or related orders (e.g., Neotheropoda)
OrderThe order itself (e.g., Saurischia)
SuborderRank below order (e.g., Theropoda)
InfraorderSubdivision of suborder (e.g., Tyrannosaurida)
ParvorderMinor order group (e.g., Tyrannosauroidea)

Order: Magnorder → Superorder → Grandorder → Mirorder → Order → Suborder → Infraorder → Parvorder

The familyInfo field supports these classification types:

TypeDescription
FamilyThe family itself (e.g., Tyrannosauridae)
SubfamilyRank below family (e.g., Tyrannosaurinae)

Family: Family → Subfamily

The tribeInfo field supports these classification types:

TypeDescription
TribeThe tribe itself (e.g., Tyrannosaurini)
SubtribeRank below tribe (e.g., Alioraminini)

Tribe: Tribe → Subtribe

The genusInfo field represents the genus classification:

TypeDescription
GenusThe genus name (e.g., Tyrannosaurus)

Here’s how a dinosaur’s classification is structured in the API:

{
"classificationInfo": {
"domain": "Eukaryota",
"kingdom": "Animalia",
"superphylum": "Bilateria",
"phylum": "Chordata",
"clade": [
"Dinosauria",
"Saurischia",
"Theropoda"
],
"classInfo": [
{
"classType": "Class",
"value": "Reptilia"
}
],
"orderInfo": [
{
"orderType": "Order",
"value": "Saurischia"
}
],
"familyInfo": [
{
"familyType": "Family",
"value": "Tyrannosauridae"
},
{
"familyType": "Subfamily",
"value": "Tyrannosaurinae"
}
],
"tribeInfo": [],
"genusInfo": [
{
"genusType": "Genus",
"value": "Tyrannosaurus"
}
],
"speciesInfo": []
}
}

Dinosaurs in the API are organized into several major clades. Click on a clade to learn more about it on Wikipedia:

CladeDescriptionLearn More
DinosauriaThe dinosaur group including all descendants of the most recent common ancestor of modern birds and TriceratopsWikipedia: Dinosauria
Saurischia”Lizard-hipped” dinosaurs, the dominant group during most of the Mesozoic EraWikipedia: Saurischia
Theropoda”Beast-footed” carnivorous dinosaurs including birdsWikipedia: Theropoda
Ornithischia”Bird-hipped” herbivorous/omnivorous dinosaursWikipedia: Ornithischia
SauropodomorphaLong-necked, herbivorous sauropodsWikipedia: Sauropodomorpha
TherizinosauriaSegnosaurians with large clawsWikipedia: Therizinosauria
OrderDescriptionLearn More
SaurischiaThe main dinosaur order including all saurischiansWikipedia: Saurischia
OrnithischiaBird-hipped dinosaursWikipedia: Ornithischia
TheropodaCarnivorous bipedal dinosaursWikipedia: Theropoda
SauropodaLong-necked herbivoresWikipedia: Sauropoda

Each classification level has specific Wikipedia articles explaining the taxonomic concepts in detail:

TermDescriptionLearn More
DomainHighest taxonomic rank (e.g., Eukaryota) - organisms with membrane-bound nucleiWikipedia: Domain (biology)
KingdomSecond highest rank (e.g., Animalia) - animals with certain shared characteristicsWikipedia: Kingdom (biology)
TermDescriptionLearn More
SuperphylumTaxonomic rank above phylumWikipedia: Phylum
PhylumMajor taxonomic group (e.g., Chordata)Wikipedia: Chordata
TermDescriptionLearn More
CladeEvolutionary group of organisms (e.g., Dinosauria, Saurischia)Wikipedia: Clade
TermDescriptionLearn More
SuperclassTaxonomic rank above class (e.g., Diapsida)Wikipedia: Superclass
TermDescriptionLearn More
SubclassRank below class (e.g., Diapsida)Wikipedia: Subclass
InfraclassSubdivisions of class (e.g., Archosauromorpha)Wikipedia: Infraclass
SubterclassFurther subdivisions (e.g., Pterosauria)Wikipedia: Subterclass
ParvclassMinor class group (e.g., Pterosauromorpha)Wikipedia: Parvclass
TermDescriptionLearn More
MagnorderLarge group of orders (e.g., Saurischia)Wikipedia: Magnorder
SuperorderGroup of related orders (e.g., Theropoda)Wikipedia: Superorder
GrandorderMajor taxonomic rank (e.g., Coelurosauria)Wikipedia: Grandorder
MirorderMirrored or related orders (e.g., Neotheropoda)Wikipedia: Mirorder
SuborderRank below order (e.g., Theropoda)Wikipedia: Suborder
InfraorderSubdivision of suborder (e.g., Tyrannosauridae)Wikipedia: Infraorder
ParvorderMinor order group (e.g., Tyrannosauroidea)Wikipedia: Parvorder
TermDescriptionLearn More
SubfamilyRank below family (e.g., Tyrannosaurinae)Wikipedia: Subfamily
SubtribeRank below tribe (e.g., Alioraminini)Wikipedia: Subtribe
TermDescriptionLearn More
GenusTaxonomic rank between family and species (e.g., Tyrannosaurus)Wikipedia: Genus
Diet TypeDescriptionLearn More
CarnivoreMeat-eating dinosaurs (e.g., Tyrannosaurus, Velociraptor)Wikipedia: Carnivore
HerbivorePlant-eating dinosaurs (e.g., Triceratops, Stegosaurus)Wikipedia: Herbivore
OmnivoreBoth plants and animals (e.g., Oviraptor)Wikipedia: Omnivore
PiscivoreFish-eating dinosaurs (e.g., Baryonyx)Wikipedia: Piscivore
LocomotionDescriptionLearn More
BipedTwo-legged (most theropods)Wikipedia: Bipedalism
QuadrupedFour-legged (most sauropods)Wikipedia: Quadrupedalism
Facultative bipedCan walk on two or four legs (some hadrosaurs)Wikipedia: Facultative bipedalism
SwimmingAquatic dinosaurs (e.g., Spinosaurus)Wikipedia: Aquatic locomotion
GlidingFlying/gliding dinosaurs (e.g., Yi)Wikipedia: Gliding flight

For detailed information about specific classification levels and dinosaur taxonomy, visit:

  • Model Overview - See how classification is structured in the data models