show/hide search details
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    [TaxonA] => 
    [TaxonB] => 
    [FilterByClade] => Alcidae
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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.

CLADE SUBMITTED: Alcidae
nameToSourceNodeInfo('Alcidae') return this node_data:
Array ( [taxonid] => 28683 [source] => NCBI )
nameToMultitreeID('Alcidae') returns ID:
-1327
QUERY:
SELECT DISTINCT calibration_id FROM calibrations_by_NCBI_clade WHERE clade_root_multitree_id = '-1327' AND calibration_id IN (SELECT CalibrationID FROM calibrations WHERE PublicationStatus = 4)
Adding calibration 127 (inner add-op or non-cladistic search)
Adding calibration 128 (inner add-op or non-cladistic search)
Adding calibration 134 (inner add-op or non-cladistic search)
Adding calibration 135 (inner add-op or non-cladistic search)
Adding calibration 161 (inner add-op or non-cladistic search)
Adding calibration 174 (inner add-op or non-cladistic search)
Adding calibration 175 (inner add-op or non-cladistic search)
'Fratecula arctica':
displayedRelevance: 1 / 1 = 1.00
'Fraterculinae':
displayedRelevance: 1 / 1 = 1.00
'Cepphus carbo - other Cepphus':
displayedRelevance: 1 / 1 = 1.00
'Synthliboramphus craveri - S. hypoleucus':
displayedRelevance: 1 / 1 = 1.00
'Uria':
displayedRelevance: 1 / 1 = 1.00
'Brachyramphus marmoratus - B. brevirostris':
displayedRelevance: 1 / 1 = 1.00
'Uria - Alle':
displayedRelevance: 1 / 1 = 1.00
				
Clade member > 15.97 Ma Added May 07, 2014
Uria - Alle – from Smith, 2015
Smith, N.A. 2015. Sixteen vetted fossil calibrations for divergence dating of Charadriiformes (Aves, Neognathae). Palaeontologia Electronica 18.1.4FC.   more »
				
Clade member > 1.5 Ma Added May 07, 2014
Brachyramphus marmoratus - B. brevirostris – from Smith, 2015
Smith, N.A. 2015. Sixteen vetted fossil calibrations for divergence dating of Charadriiformes (Aves, Neognathae). Palaeontologia Electronica 18.1.4FC.   more »
				
Clade member > 2.6 Ma Added May 05, 2014
Uria – from Smith, 2015
Smith, N.A. 2015. Sixteen vetted fossil calibrations for divergence dating of Charadriiformes (Aves, Neognathae). Palaeontologia Electronica 18.1.4FC.   more »
				
Clade member > 1.5 Ma Added Jun 03, 2013
Synthliboramphus craveri - S. hypoleucus – from Smith, 2015
Smith, N.A. 2015. Sixteen vetted fossil calibrations for divergence dating of Charadriiformes (Aves, Neognathae). Palaeontologia Electronica 18.1.4FC.   more »
				
Clade member > 6.7 Ma Added Jun 03, 2013
Cepphus carbo - other Cepphus – from Smith, 2015
Smith, N.A. 2015. Sixteen vetted fossil calibrations for divergence dating of Charadriiformes (Aves, Neognathae). Palaeontologia Electronica 18.1.4FC.   more »
				
Clade member > 6.7 Ma Added May 30, 2013
Fraterculinae – from Smith, 2015
Smith, N.A. 2015. Sixteen vetted fossil calibrations for divergence dating of Charadriiformes (Aves, Neognathae). Palaeontologia Electronica 18.1.4FC.   more »
				
Clade member > 4.2 Ma Added May 30, 2013
Fratecula arctica – from Smith, 2015
Smith, N.A. 2015. Sixteen vetted fossil calibrations for divergence dating of Charadriiformes (Aves, Neognathae). Palaeontologia Electronica 18.1.4FC.   more »
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