Fossil Calibration Database

show/hide search details

======== GET (form) values ========
Array
(
    [SortResultsBy] => DATE_ADDED_DESC
    [SimpleSearch] => 
    [HiddenFilters] => Array
        (
            [0] => FilterByTipTaxa
            [1] => FilterByAge
            [2] => FilterByGeologicalTime
        )

    [BlockedFilters] => Array
        (
            [0] => FilterByTipTaxa
        )

    [TaxonA] => 
    [TaxonB] => 
    [FilterByClade] => Henophidia
    [MinAge] => 
    [MaxAge] => 
    [FilterByGeologicalTime] => 
)

======== $search object ========
Array
(
    [SimpleSearch] => 
    [FilterByTipTaxa] => Array
        (
            [TaxonA] => 
            [TaxonB] => 
        )

    [FilterByClade] => Henophidia
    [FilterByAge] => Array
        (
            [MinAge] => 
            [MaxAge] => 
        )

    [FilterByGeologicalTime] => 
    [HiddenFilters] => Array
        (
            [0] => FilterByTipTaxa
            [1] => FilterByAge
            [2] => FilterByGeologicalTime
        )

    [BlockedFilters] => Array
        (
            [0] => FilterByTipTaxa
        )

    [SortResultsBy] => DATE_ADDED_DESC
    [ResponseType] => HTML
)

Raising the Standard in Fossil Calibration

The Fossil Calibration Database is a curated collection of well-justified calibrations, including many published in the journal Palaeontologia Electronica. We also promote best practices for justifying fossil calibrations and citing calibrations properly.

Search for calibrations in the database — you can also browse the NCBI taxonomy

Advanced search filters

CLADE SUBMITTED: Henophidia

nameToSourceNodeInfo('Henophidia') return this node_data:
Array ( [taxonid] => 34979 [source] => NCBI )

nameToMultitreeID('Henophidia') returns ID:
-1818

QUERY:
SELECT DISTINCT calibration_id FROM calibrations_by_NCBI_clade WHERE clade_root_multitree_id = '-1818' AND calibration_id IN (SELECT CalibrationID FROM calibrations WHERE PublicationStatus = 4)

Adding calibration 314 (inner add-op or non-cladistic search)

Adding calibration 315 (inner add-op or non-cladistic search)

Adding calibration 318 (inner add-op or non-cladistic search)

Adding calibration 319 (inner add-op or non-cladistic search)

Adding calibration 320 (inner add-op or non-cladistic search)

Adding calibration 321 (inner add-op or non-cladistic search)

Adding calibration 323 (inner add-op or non-cladistic search)

'Aniliidae':
 displayedRelevance: 1 / 1 = 1.00

'Boinae':
 displayedRelevance: 1 / 1 = 1.00

'Eunectes':
 displayedRelevance: 1 / 1 = 1.00

'Charinidae':
 displayedRelevance: 1 / 1 = 1.00

'Charininae':
 displayedRelevance: 1 / 1 = 1.00

'Loxocemidae':
 displayedRelevance: 1 / 1 = 1.00

'Morelia':
 displayedRelevance: 1 / 1 = 1.00

> 12.5 Ma

Added Apr 14, 2015

Morelia – from Head, 2015