Fossil taxon facts from the Paleobiology Database
Fossil taxon facts from the Paleobiology Database - rank, authority, first and last appearance in millions of years, fossil occurrences and classification
Answeringour last check, 2026-10-20
1 of 1checks answered this week
383 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://saylorinnovations.com/api/paleo/taxon
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-20 | valid payment request | 402 | $0.01 | 383 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"name": "Tyrannosaurus"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"name": {
"description": "Taxon name, e.g. Tyrannosaurus, Trilobita or Mammuthus",
"type": "string"
}
},
"required": [
"name"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"authority": {
"description": "Author and year who named the taxon",
"type": [
"string",
"null"
]
},
"classification": {
"description": "Classification assigned by the source",
"properties": {
"class": {
"description": "Class",
"type": [
"string",
"null"
]
},
"family": {
"description": "Taxonomic family",
"type": [
"string",
"null"
]
},
"order": {
"description": "Order applied",
"type": [
"string",
"null"
]
},
"phylum": {
"description": "Taxonomic phylum",
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"earliest_interval": {
"description": "Earliest interval",
"type": [
"string",
"null"
]
},
"extant": {
"description": "True when the taxon still has living members",
"type": "boolean"
},
"extant_species": {
"description": "Extant species",
"type": [
"number",
"null"
]
},
"first_appearance_ma": {
"description": "First appearance ma",
"type": [
"number",
"null"
]
},
"fossil_occurrences": {
"description": "Fossil occurrences",
"type": "number"
},
"last_appearance_ma": {
"description": "Last appearance ma",
"type": [
"number",
"null"
]
},
"latest_interval": {
"description": "Latest interval",
"type": [
"string",
"null"
]
},
"name": {
"description": "Name",
"type": "string"
},
"parent": {
"description": "Identifier of the parent taxon",
"type": [
"string",
"null"
]
},
"rank": {
"description": "Rank, 1 is highest",
"type": "string"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"species_count": {
"description": "Number of species",
"type": "number"
},
"url": {
"description": "Canonical URL",
"type": "string"
}
},
"required": [
"name",
"rank"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}