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
Phalacrocoracidae
– from Smith and Ksepka, 2015
Fregatidae
– from Smith and Ksepka, 2015
Pelecanidae
– from Smith and Ksepka, 2015
Threskiornithidae
– from Smith and Ksepka, 2015
Phaethontes
– from Smith and Ksepka, 2015
Upupiformes
– from Ksepka and Clarke, 2015
Psittaciformes
– from Ksepka and Clarke, 2015
Coliiformes
– from Ksepka and Clarke, 2015
Apodidae
– from Ksepka and Clarke, 2015
Coracioidea
– from Ksepka and Clarke, 2015
Palaeognathae
– from Benton et al. 2015
Neoaves
– from Benton et al. 2015
Neognathae
– from Benton et al. 2015
Neornithes
– from Benton et al. 2015
Squamata
– from Benton et al. 2015
Lepidosauria
– from Benton et al. 2015
Archosauria
– from Benton et al. 2015
Diapsida
– from Benton et al. 2015
Uria - Alle
– from Smith, 2015
Brachyramphus marmoratus - B. brevirostris
– from Smith, 2015
Laromorphae
– from Smith, 2015
Turnicidae
– from Smith, 2015
Calidridinae
– from Smith, 2015
Jacanidae
– from Smith, 2015
Burhinidae
– from Smith, 2015
Charadriiformes
– from Smith, 2015
Alca torda
– from Smith, 2015
Uria
– from Smith, 2015
Synthliboramphus craveri - S. hypoleucus
– from Smith, 2015
Cepphus carbo - other Cepphus
– from Smith, 2015
Alcidae
– from Smith, 2015
Fraterculinae
– from Smith, 2015
Fratecula arctica
– from Smith, 2015
Charadrii
– from Smith, 2015
Anatoidea (Anatidae - Anseranatidae)
– from Ksepka and Clarke, 2015
Sphenisciformes
– from Ksepka and Clarke, 2015
======== GET (form) values ========
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[1] => FilterByAge
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[TaxonA] =>
[TaxonB] =>
[FilterByClade] => Sauria
[MinAge] =>
[MaxAge] =>
[FilterByGeologicalTime] =>
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======== $search object ========
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[FilterByTipTaxa] => Array
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[TaxonB] =>
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[FilterByClade] => Sauria
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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: Sauria
nameToSourceNodeInfo('Sauria') return this node_data:
Array ( [taxonid] => 32561 [source] => NCBI )
Array ( [taxonid] => 32561 [source] => NCBI )
nameToMultitreeID('Sauria') returns ID:
-1672
-1672
QUERY:
SELECT DISTINCT calibration_id FROM calibrations_by_NCBI_clade WHERE clade_root_multitree_id = '-1672' 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 = '-1672' AND calibration_id IN (SELECT CalibrationID FROM calibrations WHERE PublicationStatus = 4)
Adding calibration 122 (inner add-op or non-cladistic search)
Adding calibration 123 (inner add-op or non-cladistic search)
Adding calibration 126 (inner add-op or non-cladistic search)
Adding calibration 127 (inner add-op or non-cladistic search)
Adding calibration 128 (inner add-op or non-cladistic search)
Adding calibration 133 (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 167 (inner add-op or non-cladistic search)
Adding calibration 168 (inner add-op or non-cladistic search)
Adding calibration 169 (inner add-op or non-cladistic search)
Adding calibration 170 (inner add-op or non-cladistic search)
Adding calibration 171 (inner add-op or non-cladistic search)
Adding calibration 172 (inner add-op or non-cladistic search)
Adding calibration 173 (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)
Adding calibration 236 (inner add-op or non-cladistic search)
Adding calibration 237 (inner add-op or non-cladistic search)
Adding calibration 238 (inner add-op or non-cladistic search)
Adding calibration 239 (inner add-op or non-cladistic search)
Adding calibration 240 (inner add-op or non-cladistic search)
Adding calibration 241 (inner add-op or non-cladistic search)
Adding calibration 242 (inner add-op or non-cladistic search)
Adding calibration 243 (inner add-op or non-cladistic search)
Adding calibration 278 (inner add-op or non-cladistic search)
Adding calibration 279 (inner add-op or non-cladistic search)
Adding calibration 280 (inner add-op or non-cladistic search)
Adding calibration 281 (inner add-op or non-cladistic search)
Adding calibration 282 (inner add-op or non-cladistic search)
Adding calibration 307 (inner add-op or non-cladistic search)
Adding calibration 308 (inner add-op or non-cladistic search)
Adding calibration 309 (inner add-op or non-cladistic search)
Adding calibration 310 (inner add-op or non-cladistic search)
Adding calibration 311 (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)
'Sphenisciformes':
displayedRelevance: 1 / 1 = 1.00
'Anatoidea (Anatidae - Anseranatidae)':
displayedRelevance: 1 / 1 = 1.00
'Charadrii':
displayedRelevance: 1 / 1 = 1.00
'Fratecula arctica':
displayedRelevance: 1 / 1 = 1.00
'Fraterculinae':
displayedRelevance: 1 / 1 = 1.00
'Alcidae':
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
'Alca torda':
displayedRelevance: 1 / 1 = 1.00
'Charadriiformes':
displayedRelevance: 1 / 1 = 1.00
'Burhinidae':
displayedRelevance: 1 / 1 = 1.00
'Jacanidae':
displayedRelevance: 1 / 1 = 1.00
'Calidridinae':
displayedRelevance: 1 / 1 = 1.00
'Turnicidae':
displayedRelevance: 1 / 1 = 1.00
'Laromorphae':
displayedRelevance: 1 / 1 = 1.00
'Brachyramphus marmoratus - B. brevirostris':
displayedRelevance: 1 / 1 = 1.00
'Uria - Alle':
displayedRelevance: 1 / 1 = 1.00
'Diapsida':
displayedRelevance: 1 / 1 = 1.00
'Archosauria':
displayedRelevance: 1 / 1 = 1.00
'Lepidosauria':
displayedRelevance: 1 / 1 = 1.00
'Squamata':
displayedRelevance: 1 / 1 = 1.00
'Neornithes':
displayedRelevance: 1 / 1 = 1.00
'Neognathae':
displayedRelevance: 1 / 1 = 1.00
'Neoaves':
displayedRelevance: 1 / 1 = 1.00
'Palaeognathae':
displayedRelevance: 1 / 1 = 1.00
'Coracioidea':
displayedRelevance: 1 / 1 = 1.00
'Apodidae':
displayedRelevance: 1 / 1 = 1.00
'Coliiformes':
displayedRelevance: 1 / 1 = 1.00
'Psittaciformes':
displayedRelevance: 1 / 1 = 1.00
'Upupiformes ':
displayedRelevance: 1 / 1 = 1.00
'Phaethontes':
displayedRelevance: 1 / 1 = 1.00
'Threskiornithidae':
displayedRelevance: 1 / 1 = 1.00
'Pelecanidae':
displayedRelevance: 1 / 1 = 1.00
'Fregatidae':
displayedRelevance: 1 / 1 = 1.00
'Phalacrocoracidae':
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 »
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> 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 »
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> 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 »
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> 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 »
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> 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 »
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> 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 »
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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 »
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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 »
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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 »
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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 »
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> 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 »
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> 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 »
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> 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 »
|
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> 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 »
|
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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 »
|
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> 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 »
|
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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 »
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< 24.52 Ma | Added Apr 12, 2015 |
Smith, N.D and D.T. Ksepka. 2015. Five well-supported fossil calibrations within the "Waterbird" assemblage (Tetrapoda, Aves). Palaeontologia Electronica 18.1.7FC.
more »
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> 51.81 Ma | Added Apr 12, 2015 |
Smith, N.D and D.T. Ksepka. 2015. Five well-supported fossil calibrations within the "Waterbird" assemblage (Tetrapoda, Aves). Palaeontologia Electronica 18.1.7FC.
more »
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> 28.1 Ma | Added Apr 12, 2015 |
Smith, N.D and D.T. Ksepka. 2015. Five well-supported fossil calibrations within the "Waterbird" assemblage (Tetrapoda, Aves). Palaeontologia Electronica 18.1.7FC.
more »
|
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< 53.9 Ma | Added Apr 12, 2015 |
Smith, N.D and D.T. Ksepka. 2015. Five well-supported fossil calibrations within the "Waterbird" assemblage (Tetrapoda, Aves). Palaeontologia Electronica 18.1.7FC.
more »
|
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> 56 Ma | Added Apr 12, 2015 |
Smith, N.D and D.T. Ksepka. 2015. Five well-supported fossil calibrations within the "Waterbird" assemblage (Tetrapoda, Aves). Palaeontologia Electronica 18.1.7FC.
more »
|
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> 46.6 Ma | Added Nov 16, 2014 |
Ksepka, D.T. and Clarke, J.A. 2015. Phylogenetically vetted and stratigraphically constrained fossil calibrations within Aves. Palaeontologia Electronica, 18.1.3FC.
more »
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> 53.5 Ma | Added Nov 16, 2014 |
Ksepka, D.T. and Clarke, J.A. 2015. Phylogenetically vetted and stratigraphically constrained fossil calibrations within Aves. Palaeontologia Electronica, 18.1.3FC.
more »
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> 56.22 Ma | Added Nov 16, 2014 |
Ksepka, D.T. and Clarke, J.A. 2015. Phylogenetically vetted and stratigraphically constrained fossil calibrations within Aves. Palaeontologia Electronica, 18.1.3FC.
more »
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> 51 Ma | Added Nov 16, 2014 |
Ksepka, D.T. and Clarke, J.A. 2015. Phylogenetically vetted and stratigraphically constrained fossil calibrations within Aves. Palaeontologia Electronica, 18.1.3FC.
more »
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> 51.57 Ma | Added Nov 16, 2014 |
Ksepka, D.T. and Clarke, J.A. 2015. Phylogenetically vetted and stratigraphically constrained fossil calibrations within Aves. Palaeontologia Electronica, 18.1.3FC.
more »
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56.8–86.8 Ma | Added Oct 04, 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 »
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60.2–86.8 Ma | Added Oct 04, 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 »
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66–86.8 Ma | Added Oct 04, 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 »
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66–86.8 Ma | Added Oct 04, 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 »
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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 »
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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 »
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247.1–260.2 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 »
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255.9–295.9 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 »
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> 15.97 Ma | Added May 07, 2014 |
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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> 1.5 Ma | Added May 07, 2014 |
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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> 23.6 Ma | Added May 06, 2014 |
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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> 30 Ma | Added May 06, 2014 |
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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> 11.62 Ma | Added May 06, 2014 |
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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> 30 Ma | Added May 06, 2014 |
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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> 23.03 Ma | Added May 06, 2014 |
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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> 46.5 Ma | Added May 06, 2014 |
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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> 7.3 Ma | Added May 05, 2014 |
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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> 2.6 Ma | Added May 05, 2014 |
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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> 1.5 Ma | Added Jun 03, 2013 |
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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> 6.7 Ma | Added Jun 03, 2013 |
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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> 34.2 Ma | Added Jun 03, 2013 |
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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> 6.7 Ma | Added May 30, 2013 |
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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> 4.2 Ma | Added May 30, 2013 |
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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> 41.3 Ma | Added May 30, 2013 |
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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> 66.5 Ma | Added May 30, 2013 |
Ksepka, D.T. and Clarke, J.A. 2015. Phylogenetically vetted and stratigraphically constrained fossil calibrations within Aves. Palaeontologia Electronica, 18.1.3FC.
more »
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> 60.5 Ma | Added May 30, 2013 |
Ksepka, D.T. and Clarke, J.A. 2015. Phylogenetically vetted and stratigraphically constrained fossil calibrations within Aves. Palaeontologia Electronica, 18.1.3FC.
more »