All datasets should be available either here or at the journal homepage. If not, please contact me.
The most recent published version of my phylogenetic dataset is in:
Young MT, Dufeau D, Bowman C, Cowgill T Schwab JA, Witmer LM, Herrera Y, Katsamenis OL, Steel L, Rigby M, Brusatte SL. (2024). Thalattosuchian crocodylomorphs form the Sinemurian (Early Jurassic) of the UK. Zoological Journal of the Linnean Society 201 (3): zlae079. LINK
It has 255 taxa scored for 885 characters.
Sachs S, Young MT, Hornung JJ, Cowgill T, Schwab JA, Brusatte SL. (2024). A new genus of metriorhynchid crocodylomorph from the Lower Cretaceous of Germany. Journal of Systematic Palaeontology 22 (1): 2359946. LINK
Young MT, Dufeau D, Bowman C, Cowgill T Schwab JA, Witmer LM, Herrera Y, Katsamenis OL, Steel L, Rigby M, Brusatte SL. (2024). Thalattosuchian crocodylomorphs form the Sinemurian (Early Jurassic) of the UK. Zoological Journal of the Linnean Society 201 (3): zlae079. LINK
Young MT, Wilberg EW, Johnson MM, Herrera Y, Andrade MB, Brignon A, Sachs S, Abel P, Foffa D, Fernández M, Vignaud P, Cowgill T, Brusatte SL. (2024). The history, systematics, and nomenclature of Thalattosuchia (Archosauria: Crocodylomorpha). Zoological Journal of the Linnean Society 200 (2): 547–617. LINK
Young MT, Brignon A, Sachs S, Hornung J, Foffa D, Kitson JJN, Johnson MM, Steel L. (2021). Cutting the Gordian knot: a historical and taxonomic revision of the Jurassic crocodylomorph Metriorhynchus. Zoological Journal of the Linnean Society 192 (2): 510-553. LINK
morphology HY matrix (TNT) | morphology HY matrix (MrBayes)
Young MT, Sachs S, Abel P, Foffa D, Herrera Y, Kitson JJN. (2020). Convergent evolution and possible constraint in the posterodorsal retraction of the external nares in pelagic crocodylomorphs. Zoological Journal of the Linnean Society 189 (2): 494–520. LINK
morphology HY matrix (TNT) | morphology+molecular HY matrix (TNT) | morphology HY matrix (MrBayes) | morphology+molecular HY matrix (MrBayes)
Johnson MM, Young MT, Brusatte SL. (2020). Re-description of two contemporaneous mesorostrine teleosauroids (Crocodylomorpha, Thalattosuchia) from the Bathonian of England, and insights into the early evolution of Machimosaurini. Zoological Journal of the Linnean Society 189 (2): 449–482. LINK
Abel P, Sachs S, Young MT. (2020). Metriorhynchid crocodylomorphs from the lower Kimmeridgian of Southern Germany: evidence for a new large-bodied geosaurin lineage in Europe. Alcheringa. DOI: 10.1080/03115518.2019.1701079. LINK
Sachs S, Johnson MM, Young MT, Abel P. (2019). The mystery of Mystriosaurus Kaup, 1834: redescribing the poorly known Early Jurassic teleosauroid thalattosuchians Mystriosaurus laurillardi Kaup, 1834 and Steneosaurus brevior Blake, 1876. Acta Palaeontologica Polonica 64 (3): 565–579. LINK
Sachs et al. (2019 - 2 OTUs) (TNT) | Sachs et al. (2019 - Merged OTU) (TNT)
Sachs S, Young MT, Abel P, Mallison H. (2019). A new species of the metriorhynchid crocodylomorph Cricosaurus from the Upper Jurassic of southern Germany. Acta Palaeontologica Polonica 64 (2) 343–356. LINK
Sachs et al. (2019 - HY dataset) (TNT)
Foffa D, Johnson MM, Young MT, Steel L, Brusatte SL. (2019). A revision of the deep-water teleosauroid crocodylomorph Teleosaurus megarhinus Hulke, 1871 from the Kimmeridge Clay Formation (Late Jurassic) of England, UK. PeerJ 7:e6646. LINK
Foffa et al. (2019 - HY dataset) (TNT)
Ősi M, Young MT, Galácz A, Rabi M. (2018). A new large-bodied thalattosuchian crocodyliform from the Lower Jurassic (Toarcian) of Hungary, with further evidence of the mosaic acquisition of marine adaptations in Metriorhynchoidea. PeerJ 6:e4668. LINK
Ristevski J, Young MT, Andrade MB, Hastings AK. (2018). A new species of Anteophthalmosuchus (Crocodylomorpha, Goniopholididae) from the Lower Cretaceous of the Isle of Wight, United Kingdom, and a review of the genus. Cretaceous Research 84: 340–383. LINK
Foffa D, Young MT, Brusatte SL, Graham MR, Steel L. (2018). A new metriorhynchid crocodylomorph from the Oxford Clay Formation (Middle Jurassic) of England, with implications for the origin and diversification of Geosaurini. Journal of Systematic Palaeontology 16 (13): 1123-1143. LINK
Young MT, Hastings AK, Allain R, Smith TJ. (2017). Revision of the enigmatic crocodyliform Elosuchus felixi de Lapparent de Broin, 2002 from the Lower–Upper Cretaceous boundary of Niger: potential evidence for an early origin of the clade Dyrosauridae. Zoological Journal of the Linnean Society 179: 377–403. LINK
Young et al. (2017 - Young DS) (TNT) | Young et al. (2017 - Hastings DS) (TNT)
Young MT. (2014). Filling the 'Corallian Gap': re-description of a metriorhynchid crocodylomorph from the Oxfordian (Late Jurassic) of Headington, England. Historical Biology 26 (1): 80–90. LINK
Young MT, Andrade MB, Etches S, Beatty BL. (2013). A new metriorhynchid crocodylomorph from the Lower Kimmeridge Clay Formation (Late Jurassic) of England, with implications for the evolution of dermatocranium ornamentation in Geosaurini. Zoological Journal of the Linnean Society 169 (4): 820–848. LINK
Young MT, Andrade MB, Brusatte SL, Sakamoto M, Liston J. (2013). The oldest known metriorhynchid super-predator: a new genus and species from the Middle Jurassic of England, with implications for serration and mandibular evolution in predacious clades. Journal of Systematic Palaeontology 11 (4): 475–513.LINK
Young et al. (2013 Full) (TNT) | Young et al. (2013 Reduced) (TNT)
Parrilla-Bel J, Young MT, Moreno-Azanza M, Canudo JI. (2013). The first metriorhynchid crocodylomorph from the Middle Jurassic of Spain, with implication for evolution of the subclade Rhacheosaurini. PLoS ONE 8 (1): e54275. LINK
Young matrix - Parrilla-Bel et al. (2013 Ordered) (TNT)
Young MT, Brusatte SL, Andrade MB, Desojo JB, Beatty BL, Steel L, Fernández MS, Sakamoto M, Ruiz-Omeñaca JI, Schoch RR. (2012). The cranial osteology and feeding ecology of the metriorhynchid crocodylomorph genera Dakosaurus and Plesiosuchus from the Late Jurassic of Europe. PLoS ONE 7 (9): e44985. LINK
Young et al. (2012 Unordered) (TNT) | Young et al. (2012 Ordered) (TNT)
Young MT, Bell MA, Andrade MB, Brusatte SL. (2011). Body size estimation and evolution in metriorhynchid crocodylomorphs: implications for species diversification and niche partitioning. Zoological Journal of the Linnean Society 163 (4): 1199–1216. LINK
Andrade MB, Young MT, Desojo JB, Brusatte SL. (2010). The evolution of extreme hypercarnivory in Metriorhynchidae (Mesoeucrocodylia: Thalattosuchia) based on evidence from microscopic denticle morphology. Journal of Vertebrate Paleontology 30 (5): 1451–1465. LINK
Young matrix - Andrade et al. (2010) (TNT)
Young MT, Andrade MB. (2009). What is Geosaurus? Redescription of Geosaurus giganteus (Thalattosuchia, Metriorhynchidae) from the Upper Jurassic of Bayern, Germany. Zoological Journal of the Linnean Society 157 (3): 551–585. LINK
Young matrix - Young & Andrade (2009) (TNT)
Wilkinson LE, Young MT, Benton MJ. (2008). A new metriorhynchid crocodilian (Mesoeucrocodylia: Thalattosuchia) from the Kimmeridgian (Upper Jurassic) of Wiltshire, UK. Palaeontology 51 (6): 1307–1333. LINK
As of January 2024, the Young et al. (2024) Thalattosuchia Systematics TNT scripts supersede all previous versions I have created.
Sachs S, Young MT, Hornung JJ, Cowgill T, Schwab JA, Brusatte SL. (2024). A new genus of metriorhynchid crocodylomorph from the Lower Cretaceous of Germany. Journal of Systematic Palaeontology 22 (1): 2359946. LINK
The TNT scripts for this paper can be downloaded from this link
Young MT, Wilberg EW, Johnson MM, Herrera Y, Andrade MB, Brignon A, Sachs S, Abel P, Foffa D, Fernández M, Vignaud P, Cowgill T, Brusatte SL. (2024). The history, systematics, and nomenclature of Thalattosuchia (Archosauria: Crocodylomorpha). Zoological Journal of the Linnean Society 200 (2): 547–617 LINK
seedtest.run (v2.0) | Analyses.run | Templetonloop.run |
Note, the Templeton Test scripts used by Young et al. (2024) were modifications of the script by Alexander N. Schmidt-Lebuhn. They were:
templetontestEQC1.run | templetontestEQC3.run | templetontestEQC4.run |
templetontestEIWC1.run | templetontestEIWC3.run | templetontestEIWC4.run |
Young MT, Brignon A, Sachs S, Hornung J, Foffa D, Kitson JJN, Johnson MM, Steel L. (2021). Cutting the Gordian knot: a historical and taxonomic revision of the Jurassic crocodylomorph Metriorhynchus. Zoological Journal of the Linnean Society 192 (2): 510-553. LINK
seedtest.run | fEIW.run | EIW.run | fEIWTT.run | EIWTT.run |
Young MT, Sachs S, Abel P, Foffa D, Herrera Y, Kitson JJN. (2020). Convergent evolution and possible constraint in the posterodorsal retraction of the external nares in pelagic crocodylomorphs. Zoological Journal of the Linnean Society 189 (2): 494–520. LINK
fourstats.run | fast.run | EqualW.run | ImpliedW.run |
Young MT, Wilberg EW, Johnson MM, Herrera Y, Andrade MB, Brignon A, Sachs S, Abel P, Foffa D, Fernández M, Vignaud P, Cowgill T, Brusatte SL. (2024). The history, systematics, and nomenclature of Thalattosuchia (Archosauria: Crocodylomorpha). Zoological Journal of the Linnean Society 200 (2): 547–617 LINK
0-Master.R | 1a-Basic_Phylogeny_Images.R | 1b-Time_Scaled_Phylogeny_Images.R |