show/hide search details
Pantherophis+Pituophis
– from Head et al. 2016
Heterodon + Farancia
– from Head et al. 2016
Bungarus
– from Head et al. 2016
Oxyuraninae
– from Head et al. 2016
Naja
– from Head et al. 2016
Colubridae+Elapoidea
– from Head et al. 2016
Viperinae
– from Head et al. 2016
Acrochordus javanicus
– from Head et al. 2016
Pan-Colubroidea
– from Head et al. 2016
Pan-Caenophidia
– from Head et al. 2016
Morelia
– from Head, 2015
Loxocemidae
– from Head, 2015
Charininae
– from Head, 2015
Charinidae
– from Head, 2015
Eunectes
– from Head, 2015
Boinae
– from Head, 2015
Aniliidae
– from Head, 2015
Serpentes
– from Head, 2015
Squamata
– from Benton et al. 2015
Lepidosauria
– from Benton et al. 2015
======== GET (form) values ======== Array ( [SortResultsBy] => DATE_ADDED_DESC [SimpleSearch] => [HiddenFilters] => Array ( [0] => FilterByTipTaxa [1] => FilterByAge [2] => FilterByGeologicalTime ) [BlockedFilters] => Array ( [0] => FilterByTipTaxa ) [TaxonA] => [TaxonB] => [FilterByClade] => Lepidosauria [MinAge] => [MaxAge] => [FilterByGeologicalTime] => )
======== $search object ======== Array ( [SimpleSearch] => [FilterByTipTaxa] => Array ( [TaxonA] => [TaxonB] => ) [FilterByClade] => Lepidosauria [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.
CLADE SUBMITTED: Lepidosauria
nameToSourceNodeInfo('Lepidosauria') return this node_data:
Array ( [taxonid] => 8504 [source] => NCBI )
Array ( [taxonid] => 8504 [source] => NCBI )
nameToMultitreeID('Lepidosauria') returns ID:
-1676
-1676
QUERY:
SELECT DISTINCT calibration_id FROM calibrations_by_NCBI_clade WHERE clade_root_multitree_id = '-1676' AND calibration_id IN (SELECT CalibrationID FROM calibrations WHERE PublicationStatus = 4)
SELECT DISTINCT calibration_id FROM calibrations_by_NCBI_clade WHERE clade_root_multitree_id = '-1676' AND calibration_id IN (SELECT CalibrationID FROM calibrations WHERE PublicationStatus = 4)
Adding calibration 238 (inner add-op or non-cladistic search)
Adding calibration 239 (inner add-op or non-cladistic search)
Adding calibration 312 (inner add-op or non-cladistic search)
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)
Adding calibration 337 (inner add-op or non-cladistic search)
Adding calibration 338 (inner add-op or non-cladistic search)
Adding calibration 339 (inner add-op or non-cladistic search)
Adding calibration 340 (inner add-op or non-cladistic search)
Adding calibration 341 (inner add-op or non-cladistic search)
Adding calibration 342 (inner add-op or non-cladistic search)
Adding calibration 343 (inner add-op or non-cladistic search)
Adding calibration 344 (inner add-op or non-cladistic search)
Adding calibration 345 (inner add-op or non-cladistic search)
Adding calibration 346 (inner add-op or non-cladistic search)
'Lepidosauria':
displayedRelevance: 1 / 1 = 1.00
'Squamata':
displayedRelevance: 1 / 1 = 1.00
'Serpentes':
displayedRelevance: 1 / 1 = 1.00
'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
'Pan-Caenophidia ':
displayedRelevance: 1 / 1 = 1.00
'Pan-Colubroidea':
displayedRelevance: 1 / 1 = 1.00
'Acrochordus javanicus ':
displayedRelevance: 1 / 1 = 1.00
'Viperinae':
displayedRelevance: 1 / 1 = 1.00
'Colubridae+Elapoidea':
displayedRelevance: 1 / 1 = 1.00
'Naja':
displayedRelevance: 1 / 1 = 1.00
'Oxyuraninae':
displayedRelevance: 1 / 1 = 1.00
'Bungarus':
displayedRelevance: 1 / 1 = 1.00
'Heterodon + Farancia':
displayedRelevance: 1 / 1 = 1.00
'Pantherophis+Pituophis':
displayedRelevance: 1 / 1 = 1.00
> 11.93 Ma | Added Jun 21, 2016 |
Head, J.J., K. Mahlow, and J. Müller. 2016. Fossil calibration dates for molecular phylogenetic analysis of snakes 2: Caenophidia, Colubroidea, Elapoidea, Colubridae. Palaeontologia Electronica, 19.2.2FC
more »
> 12.08 Ma | Added Jun 21, 2016 |
Head, J.J., K. Mahlow, and J. Müller. 2016. Fossil calibration dates for molecular phylogenetic analysis of snakes 2: Caenophidia, Colubroidea, Elapoidea, Colubridae. Palaeontologia Electronica, 19.2.2FC
more »
> 10.215 Ma | Added Jun 21, 2016 |
Head, J.J., K. Mahlow, and J. Müller. 2016. Fossil calibration dates for molecular phylogenetic analysis of snakes 2: Caenophidia, Colubroidea, Elapoidea, Colubridae. Palaeontologia Electronica, 19.2.2FC
more »
> 10 Ma | Added Jun 21, 2016 |
Head, J.J., K. Mahlow, and J. Müller. 2016. Fossil calibration dates for molecular phylogenetic analysis of snakes 2: Caenophidia, Colubroidea, Elapoidea, Colubridae. Palaeontologia Electronica, 19.2.2FC
more »
> 17 Ma | Added Jun 21, 2016 |
Head, J.J., K. Mahlow, and J. Müller. 2016. Fossil calibration dates for molecular phylogenetic analysis of snakes 2: Caenophidia, Colubroidea, Elapoidea, Colubridae. Palaeontologia Electronica, 19.2.2FC
more »
> 30.8 Ma | Added Jun 21, 2016 |
Head, J.J., K. Mahlow, and J. Müller. 2016. Fossil calibration dates for molecular phylogenetic analysis of snakes 2: Caenophidia, Colubroidea, Elapoidea, Colubridae. Palaeontologia Electronica, 19.2.2FC
more »
20–23.8 Ma | Added Jun 21, 2016 |
Head, J.J., K. Mahlow, and J. Müller. 2016. Fossil calibration dates for molecular phylogenetic analysis of snakes 2: Caenophidia, Colubroidea, Elapoidea, Colubridae. Palaeontologia Electronica, 19.2.2FC
more »
18.05–23.08 Ma | Added Jun 21, 2016 |
Head, J.J., K. Mahlow, and J. Müller. 2016. Fossil calibration dates for molecular phylogenetic analysis of snakes 2: Caenophidia, Colubroidea, Elapoidea, Colubridae. Palaeontologia Electronica, 19.2.2FC
more »
50.5–72.1 Ma | Added Jun 21, 2016 |
Head, J.J., K. Mahlow, and J. Müller. 2016. Fossil calibration dates for molecular phylogenetic analysis of snakes 2: Caenophidia, Colubroidea, Elapoidea, Colubridae. Palaeontologia Electronica, 19.2.2FC
more »
66–72.1 Ma | Added Jun 21, 2016 |
Head, J.J., K. Mahlow, and J. Müller. 2016. Fossil calibration dates for molecular phylogenetic analysis of snakes 2: Caenophidia, Colubroidea, Elapoidea, Colubridae. Palaeontologia Electronica, 19.2.2FC
more »
> 12.5 Ma | Added Apr 14, 2015 |
Head, J.J. 2015. Fossil calibration dates for molecular phylogenetic analysis of snakes 1: Serpentes, Alethinophidia, Boidae, Pythonidae. Palaeontologia Electronica 18.1.6FC.
more »
> 35.2 Ma | Added Apr 14, 2015 |
Head, J.J. 2015. Fossil calibration dates for molecular phylogenetic analysis of snakes 1: Serpentes, Alethinophidia, Boidae, Pythonidae. Palaeontologia Electronica 18.1.6FC.
more »
> 18.7 Ma | Added Apr 14, 2015 |
Head, J.J. 2015. Fossil calibration dates for molecular phylogenetic analysis of snakes 1: Serpentes, Alethinophidia, Boidae, Pythonidae. Palaeontologia Electronica 18.1.6FC.
more »
> 35.2 Ma | Added Apr 14, 2015 |
Head, J.J. 2015. Fossil calibration dates for molecular phylogenetic analysis of snakes 1: Serpentes, Alethinophidia, Boidae, Pythonidae. Palaeontologia Electronica 18.1.6FC.
more »
> 12.375 Ma | Added Apr 14, 2015 |
Head, J.J. 2015. Fossil calibration dates for molecular phylogenetic analysis of snakes 1: Serpentes, Alethinophidia, Boidae, Pythonidae. Palaeontologia Electronica 18.1.6FC.
more »
58–64 Ma | Added Apr 13, 2015 |
Head, J.J. 2015. Fossil calibration dates for molecular phylogenetic analysis of snakes 1: Serpentes, Alethinophidia, Boidae, Pythonidae. Palaeontologia Electronica 18.1.6FC.
more »
> 72.1 Ma | Added Apr 13, 2015 |
Head, J.J. 2015. Fossil calibration dates for molecular phylogenetic analysis of snakes 1: Serpentes, Alethinophidia, Boidae, Pythonidae. Palaeontologia Electronica 18.1.6FC.
more »
98.32–113 Ma | Added Apr 13, 2015 |
Head, J.J. 2015. Fossil calibration dates for molecular phylogenetic analysis of snakes 1: Serpentes, Alethinophidia, Boidae, Pythonidae. Palaeontologia Electronica 18.1.6FC.
more »
168.9–209.5 Ma | Added Oct 03, 2014 |
Benton, M.J., Donoghue, P.C.J., Asher, R.A., Friedman, M., Near, T.J., and Vinther, J. 2015. Constraints on the timescale of animal evolutionary history. Palaeontologia Electronica, 18.1.1FC.
more »
238–252.7 Ma | Added Oct 03, 2014 |
Benton, M.J., Donoghue, P.C.J., Asher, R.A., Friedman, M., Near, T.J., and Vinther, J. 2015. Constraints on the timescale of animal evolutionary history. Palaeontologia Electronica, 18.1.1FC.
more »