• Chow, M.-C. & Rich, T. H. Shuotherium dongi, n. gen. and sp., a therian with pseudo-tribosphenic molars from the Jurassic of Sichuan, China. Aust. Mammal. 5, 127–142 (1982).

    Article 

    Google Scholar
     

  • Wang, Y. Q., Clemens, W. A., Hu, Y. M. & Li, C. K. A probable pseudo-tribosphenic upper molar from the Late Jurassic of China and the early radiation of the Holotheria. J. Vertebr. Paleontol. 18, 777–787 (1998).

    Article 

    Google Scholar
     

  • Sigogneau-Russell, D. & Ensom, P. Thereuodon (Theria, Symmetrodonta) from the Lower Cretaceous of North Africa and Europe, and a brief review of symmetrodonts. Cretaceous Res. 19, 445–470 (1998).

    Article 

    Google Scholar
     

  • Luo, Z.-X., Ji, Q. & Yuan, C.-X. Convergent dental adaptations in pseudo-tribosphenic and tribosphenic mammals. Nature 450, 93–97 (2007).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Kermack, K. A., Lee, A. J., Lees, P. M. & Mussett, F. A new docodont from the Forest Marble. Zool. J. Linn. Soc. 89, 1–39 (1987).

    Article 

    Google Scholar
     

  • Butler, P. M. An alternative hypothesis on the origin of docodont molar teeth. J. Vertebr. Paleontol. 17, 435–439 (1997).

    Article 

    Google Scholar
     

  • Kielan-Jaworowska, Z., Cifelli, R. L. & Luo, Z. X. Dentition and relationships of the Jurassic mammal Shuotherium. Acta Palaeontol. Pol. 47, 479–486 (2002).


    Google Scholar
     

  • Kielan-Jaworowska, Z., Cifelli, R. L. & Luo, Z.-X. Mammals from the Age of Dinosaurs: Origins, Evolutions, and Structure (Columbia Univ. Press, 2004).

  • Averianov, A. O. Early Cretaceous symmetrodont mammal Gobiotheriodon from Mongolia and the classification of Symmetrodonta. Acta Palaeontol. Pol. 47, 705–716 (2002).


    Google Scholar
     

  • Luo, Z. X. & Martin, T. Analysis of molar structure and phylogeny of docodont genera. Bull. Carnegie Mus. Nat. Hist. 2007, 27–47 (2007).

    Article 

    Google Scholar
     

  • Rougier, G. W., Sheth, A. S., Carpenter, K., Appella-Guiscafre, L. & Davis, B. M. A new species of Docodon (Mammaliaformes: Docodonta) from the Upper Jurassic Morrison Formation and a reassessment of selected craniodental characters in basal mammaliaforms. J. Mamm. Evol. 22, 1–16 (2015).

    Article 

    Google Scholar
     

  • Butler, P. M. The teeth of the Jurassic mammals. Proc. Zool. Soc. Lond. B 109, 329–356 (1939).

    Article 

    Google Scholar
     

  • Hopson, J. A. in Major Features of Vertebrate Evolution (ed. Spencer, R. S.) 190–219 (The Paleontological Society, 1994).

  • Martin, T. & Averianov, A. O. A new docodont (Mammalia) from the Middle Jurassic of Kyrgyzstan, central Asia. J. Vertebr. Paleontol. 24, 195–201 (2004).

    Article 

    Google Scholar
     

  • Martin, T. & Averianov, A. O. Mammals from the Middle Jurassic Balabansai Formation of the Fergana Depression, Kyrgyzstan. J. Vertebr. Paleontol. 30, 855–871 (2010).

    Article 

    Google Scholar
     

  • Rich, T. H. et al. Evidence that monotremes and ausktribosphenids are not sister groups. J. Vertebr. Paleontol. 22, 466–469 (2002).

    Article 

    Google Scholar
     

  • Woodburne, M. O., Rich, T. H. & Springer, M. S. The evolution of tribospheny and the antiquity of mammalian clades. Mol. Phylogenet. Evol. 28, 360–385 (2003).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Flannery, T. F., Rich, T. H., Vickers-Rich, P., Veatch, E. G. & Helgen, K. M. The Gondwanan origin of Tribosphenida (Mammalia). Alcheringa 46, 277–290 (2022).

    Article 

    Google Scholar
     

  • Mao, F. et al. Fossils document evolutionary changes of jaw joint to mammalian middle ear. Nature https://doi.org/10.1038/s41586-024-07235-0 (2024).

  • Butler, P. M. A theory of the evolution of mammalian molar teeth. Am. J. Sci. 239, 421–450 (1941).

    Article 
    ADS 

    Google Scholar
     

  • Van, V. L. M. Serial homology: the crests and cusps of mammalian teeth. Acta Palaeontol. Pol. 38, 145–158 (1994).


    Google Scholar
     

  • Butler, P. M. in Teeth Revisited: Proceedings of the VIIth International Symposium on Dental Morphology Vol. 53 (eds Russell, D. E. et al.) 329–340 (Mémoires du Muséum National d’Histoire Naturelle, 1988).

  • Martin, T. et al. in Mammalian Teeth – Form and Function (eds Martin, T. & von Koenigswald, W.) 187–214 (Verlag Dr. Friedrich Pfeil, 2020).

  • Meng, Q.-J. et al. An arboreal docodont from the Jurassic and mammaliaform ecological diversification. Science 347, 764–768 (2015).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Zhou, C.-F., Bhullar, B. A. S., Neander, A. I., Martin, T. & Luo, Z.-X. New Jurassic mammaliaform sheds light on early evolution of mammal-like hyoid bones. Science 365, 276–279 (2019).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Ji, Q., Luo, Z.-X., Yuan, C.-X. & Tabrum, A. R. A swimming mammaliaform from the Middle Jurassic and ecomorphological diversification of early mammals. Science 311, 1123–1127 (2006).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Schultz, J. A., Bhullar, B. A. S. & Luo, Z. X. Re-examination of the Jurassic mammaliaform Docodon victor by computed tomography and occlusal functional analysis. J. Mamm. Evol. 26, 9–38 (2019).

    Article 

    Google Scholar
     

  • Butler, P. M. Evolutionary transformations of the mammalian dentition. Zoosyst. Evol. 77, 167–174 (2001).

    Article 

    Google Scholar
     

  • Van Valen, L. M. Homology and causes. J. Morphol. 173, 305–312 (1982).

    Article 
    PubMed 

    Google Scholar
     

  • Butler, P. M. in Development, Function and Evolution of Teeth (eds Butler, P. M. & Joysey, K. A.) 439–453 (Academic, 1978).

  • Parrington, F. R. On the Upper Triassic mammals. Philos. Trans. R. Soc. B 261, 231–272 (1971).

    ADS 

    Google Scholar
     

  • Crompton, A. W. & Jenkins, F. A. Molar occlusion in Late Triassic mammals. Biol. Rev. 43, 427–458 (1968).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Crompton, A. W. & Sun, A.-L. Cranial structure and relationships of the Liassic mammal Sinoconodon. Zool. J. Linn. Soc. 85, 99–119 (1985).

    Article 

    Google Scholar
     

  • Kemp, T. S. The Origin and Evolution of Mammals (Oxford Univ. Press, 2005).

  • Wang, Y. Q. & Li, C. K. Reconsideration of the systematic position of the Middle Jurassic mammaliaforms Itatodon and Paritatodon. Palaeontol. Pol. 67, 249–256 (2016).


    Google Scholar
     

  • Luo, Z. X., Cifelli, R. L. & Kielan-Jaworowska, Z. Dual origin of tribosphenic mammals. Nature 409, 53–57 (2001).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Averianov, A. O. & Lopatin, A. V. Itatodon tatarinovi (Tegotheriidae, Mammalia), a docodont from the Middle Jurassic of western Siberia and phylogenetic analysis of Docodonta. Paleontol. J. 40, 668–677 (2006).

    Article 

    Google Scholar
     

  • Sigogneau-Russell, D. & Godefroit, P. A primitive docodont (Mammalia) from the Upper Triassic of France and the possible therian affinities of the order. C. R. Acad. Sci. 324, 135–140 (1997).


    Google Scholar
     

  • Datta, P. Earliest mammal with transversely expanded upper molar from the Late Triassic (Carnian) Tiki Formation, South Rewa Gondwana Basin, India. J. Vertebr. Paleontol. 25, 200–207 (2005).

    Article 

    Google Scholar
     

  • Averianov, A., Lopatin, A., Krasnolutskii, S. & Ivantsov, S. New docodontans from the Middle Jurassic of Siberia and reanalysis of Docodonta interrelationships. Proc. Zool. Inst. Russ. Acad. Sci. 314, 121–148 (2010).

    Article 

    Google Scholar
     

  • Sigogneau-Russell, D. Docodonts from the British Mesozoic. Acta Palaeontol. Pol. 48, 357–374 (2003).


    Google Scholar
     

  • Sigogneau-Russell, D. A new therian mammal from the Rhaetic locality of Saint-Nicolas-de-Port (France). Zool. J. Linn. Soc. 78, 175–186 (1983).

    Article 

    Google Scholar
     

  • Patterson, B. Early Cretaceous Mammals and the Evolution of Mammalian Molar Teeth Vol. 13 (Chicago Natural History Museum, 1956).

  • Clemens, W. A. & Kielan-Jaworowska, Z. in Mesozoic Mammals: the First Two-Thirds of Mammalian History (eds Lillegraven, J. A. et al.) 99–149 (Univ. California Press, 1979).

  • Meng, J. Mesozoic mammals of China: implications for phylogeny and early evolution of mammals. Natl Sci. Rev. 1, 521–542 (2014).

    Article 

    Google Scholar
     

  • Sulej, T. et al. The earliest-known mammaliaform fossil from Greenland sheds light on origin of mammals. Proc. Natl Acad. Sci. USA 117, 26861–26867 (2020).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Jäger, K. R., Gill, P. G., Corfe, I. & Martin, T. Occlusion and dental function of Morganucodon and Megazostrodon. J. Vertebr. Paleontol. 39, e1635135 (2019).

    Article 

    Google Scholar
     

  • Crompton, A. W. The dentitions and relationships of the southern African Triassic mammals, Erythrotherium parringtoni and Megazostrodon rudnerae. Bull. Brit. Mus. (Nat. Hist.) Geol. 24, 399–443 (1974).


    Google Scholar
     

  • Davis, B. M. Evolution of the tribosphenic molar pattern in early mammals, with comments on the “dual-origin” hypothesis. J. Mamm. Evol. 18, 227–244 (2011).

    Article 

    Google Scholar
     

  • Schultz, J. A. & Martin, T. Function of pretribosphenic and tribosphenic mammalian molars inferred from 3D animation. Naturwissenschaften 101, 771–781 (2014).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Mao, F.-Y. et al. Integrated hearing and chewing modules decoupled in a Cretaceous stem therian mammal. Science 367, 305–308 (2020).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Flynn, J. J., Parrish, J. M., Rakotosamimanana, B., Simpson, W. F. & Wyss, A. E. A Middle Jurassic mammal from Madagascar. Nature 401, 57–60 (1999).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Yuan, C.-X., Ji, Q., Meng, Q.-J., Tabrum, A. R. & Luo, Z.-X. Earliest evolution of multituberculate mammals revealed by a new Jurassic fossil. Science 341, 779–783 (2013).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Lopatin, A. & Averianov, A. Kielantherium, a basal tribosphenic mammal from the Early Cretaceous of Mongolia, with new data on the aegialodontian dentition. Acta Palaeontol. Pol. 52, 441–446 (2007).


    Google Scholar
     

  • Rich, T. H. et al. The mandible and dentition of the Early Cretaceous monotreme Teinolophos trusleri. Alcheringa 40, 475–501 (2016).

    Article 

    Google Scholar
     

  • Mao, F., Zhang, C., Liu, C. & Meng, J. Fossoriality and evolutionary development in two Cretaceous mammaliamorphs. Nature 592, 577–582 (2021).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Mao, F., Li, Z., Hooker, J. J. & Meng, J. A new euharamiyidan, Mirusodens caii (Mammalia: Euharamiyida), from the Jurassic Yanliao Biota and evolution of allotherian mammals. Zool. J. Linn. Soc. 199, 832–859 (2023).

  • Liu, J. & Olsen, P. The phylogenetic relationships of Eucynodontia (Amniota: Synapsida). J. Mamm. Evol. 17, 151–176 (2010).

    Article 
    ADS 

    Google Scholar
     

  • Krause, D. W. et al. Skeleton of a Cretaceous mammal from Madagascar reflects long-term insularity. Nature 581, 421–427 (2020).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Panciroli, E. et al. New species of mammaliaform and the cranium of Borealestes (Mammaliformes: Docodonta) from the Middle Jurassic of the British Isles. Zool. J. Linn. Soc. 192, 1323–1362 (2021).

    Article 

    Google Scholar
     

  • Panciroli, E. et al. Postcrania of Borealestes (Mammaliformes, Docodonta) and the emergence of ecomorphological diversity in early mammals. Palaeontology 65, e12577 (2022).

    Article 

    Google Scholar
     

  • Wallace, R. V. S., Martínez, R. & Rowe, T. First record of a basal mammaliamorph from the early Late Triassic Ischigualasto Formation of Argentina. PLoS ONE 14, e0218791 (2019).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Swofford, D. L. Phylogenetic Analysis Using Parsimony, v4.0b10 (Sinauer Associates, Inc, 2002).

  • Mao, F., Zhang, C. & Meng, J. Morphological dataset of mammaliamorphs and phylogenetic analysis codes (MrBayes 3.2.4 and PAUP*4.0a152). Zenodo https://doi.org/10.5281/zenodo.10597270 (2024).

  • Ronquist, F. et al. MrBayes 3.2: efficient Bayesian phylogenetic inference and model choice across a large model space. Syst. Biol. 61, 539–542 (2012).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Gavryushkina, A., Welch, D., Stadler, T. & Drummond, A. J. Bayesian inference of sampled ancestor trees for epidemiology and fossil calibration. PLoS Comput. Biol. 10, e1003919 (2014).

    Article 
    ADS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Zhang, C., Stadler, T., Klopfstein, S., Heath, T. A. & Ronquist, F. Total-evidence dating under the fossilized birth–death process. Syst. Biol. 65, 228–249 (2016).

    Article 
    PubMed 

    Google Scholar
     

  • Lewis, P. O. A likelihood approach to estimating phylogeny from discrete morphological character data. Syst. Biol. 50, 913–921 (2001).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Yang, Z. Maximum likelihood phylogenetic estimation from DNA sequences with variable rates over sites: approximate methods. J. Mol. Evol. 39, 306–314 (1994).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Stadler, T. Sampling-through-time in birth-death trees. J. Theor. Biol. 267, 396–404 (2010).

    Article 
    ADS 
    MathSciNet 
    PubMed 

    Google Scholar
     

  • Heath, T. A., Huelsenbeck, J. P. & Stadler, T. The fossilized birth-death process for coherent calibration of divergence-time estimates. Proc. Natl Acad. Sci. USA 111, E2957–E2966 (2014).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Drummond, A. J., Ho, S. Y., Phillips, M. J. & Rambaut, A. Relaxed phylogenetics and dating with confidence. PLoS Biol. 4, e88 (2006).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Geyer, C. J. Practical Markov chain Monte Carlo. Stat. Sci. 7, 473–483 (1992).


    Google Scholar
     

  • Luo, Z.-X. et al. New evidence for mammaliaform ear evolution and feeding adaptation in a Jurassic ecosystem. Nature 548, 326–329 (2017).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • King, B. & Beck, R. M. Tip dating supports novel resolutions of controversial relationships among early mammals. Proc. R Soc. B 287, 20200943 (2020).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Ronquist, F. et al. A total-evidence approach to dating with fossils, applied to the early radiation of the Hymenoptera. Syst. Biol. 61, 973–999 (2012).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • King, B. Bayesian tip-dated phylogenetics in paleontology: topological effects and stratigraphic fit. Syst. Biol. 70, 283–294 (2021).

    Article 
    PubMed 

    Google Scholar
     

  • Rowe, T. Definition, diagnosis, and origin of Mammalia. J. Vertebr. Paleontol. 8, 241–264 (1988).

    Article 

    Google Scholar
     

  • Averianov, A. O., Lopatin, A. V. & Leshchinskiy, S. V. New interpretation of dentition in Early Cretaceous docodontan Sibirotherium based on micro-computed tomography. J. Mamm. Evol. https://doi.org/10.1007/s10914-023-09682-4 (2023).

    Article 

    Google Scholar
     

  • Van Valen, L. An analysis of developmental fields. Dev. Biol. 23, 456–477 (1970).

    Article 
    PubMed 

    Google Scholar
     



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