Rare osteohistological evidence of skeletal maturity in the early diverging traversodontid Scalenodon angustifrons, with comments on histological sampling coverage in Cynodontia

LITERATURE CITED

• Botha-Brink, J., & Chinsamy, A. (2000). Growth patterns deduced from the bone histology of the cynodonts Diademodon and Cynognathus. Journal of Vertebrate Paleontology, 20(4), 705–711.
   Web of Science ®Google Scholar
• Botha-Brink, J., Abdala, F., & Chinsamy, A. (2012). The radiation and osteohistology of nonmammaliaform cynodonts. In K. D. Angielczyk & J. Frobisch (Eds.), The Forerunners of Mammals: Radiation, Histology, Biology (pp. 310–341). Indiana University Press.
   Google Scholar
• Botha-Brink, J., Bento Soares, M., & Martinelli, A. G. (2018). Osteohistology of Late Triassic prozostrodontian cynodonts from Brazil. PeerJ, 6, e5029. https://doi.org/10.7717/peerj.5029
   PubMed Web of Science ®Google Scholar
• Botha, J., & Chinsamy, A. (2004). Growth and life habits of the Triassic cynodont Trirachodon, inferred from bone histology. Acta Palaeontologica Polonica, 49(4), 619–627.
   Web of Science ®Google Scholar
• Botha, J., & Chinsamy, A. (2005). Growth patterns of Thrinaxodon liorhinus, a non-mammalian cynodont from the lower Triassic of South Africa. Palaeontology, 48(2), 385–394. https://doi.org/10.1111/j.1475-4983.2005.00447.x
   Google Scholar
• Botha, J., & Huttenlocker, A. K. (2021). Nonmammalian Synapsids. In Vertebrate Skeletal Histology and Paleohistology (p. 550). CRC Press, Taylor & Francis Group. https://www.taylorfrancis.com/books/9781351189590
   Google Scholar
• Broom, R. (1905). On the use of the term Anomodontia. Albany Museum Records, 1, 266–269.
   Google Scholar
• Butler, E., Abdala, F., & Botha-Brink, J. (2019). Postcranial morphology of the Early Triassic epicynodont Galesaurus planiceps (Owen) from the Karoo Basin, South Africa. Papers in Palaeontology, 5(1), 1–32. https://doi.org/10.1002/spp2.1220
   Web of Science ®Google Scholar
• Chinsamy-Turan, A. (2012). The Microstructure of Bones and Teeth of Nonmammalian Therapsids. In K. D. Angielczyk & J. Frobisch (Eds.), Forerunners of Mammals: Radiation, Histology, Biology (pp. 65–90). Indiana University Press.
   Google Scholar
• Chinsamy, A., & Abdala, F. (2008). Palaeobiological implications of the bone microstructure of South American traversodontids (Therapsida: Cynodontia). South African Journal of Science, 104(5–6), 225–230.
   Web of Science ®Google Scholar
• Chinsamy, A., & Hurum, J. H. (2006). Bone microstructure and growth patterns of early mammals. Acta Palaeontologica Polonica, 51(2), 325–334.
   Web of Science ®Google Scholar
• Colbert, M. W., & Rowe, T. (2008). Ontogenetic Sequence Analysis: Using parsimony to characterize developmental sequences and sequence polymorphism. Journal of Experimental Zoology Part B: Molecular and Developmental Evolution, 310B(5), 398–416. https://doi.org/10.1002/jez.b.21212
   Web of Science ®Google Scholar
• Cormack, D. H. (1987). Ham’s histology (9th ed.). Lippincott Williams and Wilkins.
   Google Scholar
• Crompton, A. W. (1955). On some Triassic cynodonts from Tanganyika. Proceedings of the Zoological Society of London, 125, 617–669.
   Google Scholar
• Crompton, A. W. (1963). The evolution of the mammalian jaw. Society for the Study of Evolution, 17, 10.
   Google Scholar
• Crompton, A. W., Joysey, K. A., & Kemp, T. S. (1972). The evolution of the jaw articulation of cynodonts. Studies in Vertebrate Evolution, 17, 21.
   Google Scholar
• de Buffrénil, V., de Ricqlès, A., Zylberberg, L., & Padian, K. (Eds.). (2021). Vertebrate skeletal histology and paleohistology. CRC Press.
   Google Scholar
• de Ricqlès, A. (1969). Recherches paleohistologiques sur les os longs des tetrapodes; II, Quelques observations sur la structure des os longs des theriodontes. Annales de Pale´ontologie, 55(1), 1–51.
   Google Scholar
• de Ricqlès, A. (1974). Evolution of endothermy; Histological evidence. Evolutionary Theory, 1(2), 51–80.
   Google Scholar
• Enlow, D. H. (1963). Principles of bone remodeling; an account of post-natal growth and remodeling processes in long bones and the mandible. Charles C. Thomas.
   Google Scholar
• Farmer, C. G. (2000). Parental care: The key to understanding endothermy and other convergent features in birds and mammals. The American Naturalist, 155(3), 326–334. https://doi.org/10.1086/303323
   PubMed Web of Science ®Google Scholar
• Francillon-Vieillot, H., de Buffrénil, V., Castanet, J., Géraudie, J., Meunier, F. J., Sire, J. Y., Zylberberg, L., & de Ricqlès, A. (1990). Microstructure and mineralization of vertebrate skeletal tissues. In Skeletal Biomineralization: Patterns, Processes and Evolutionary Trends (pp. 175–234). American Geophysical Union. https://doi.org/10.1029/SC005p0175
   Google Scholar
• Garcia Marsà, J. A., Agnolín, F. L., & Novas, F. E. (2022). Comparative bone microstructure of two non-mammaliaform cynodonts from the Late Triassic (Carnian) Chañares formation of Northwestern Argentina. Historical Biology, 1–11. https://doi.org/10.1080/08912963.2022.2149332
   Web of Science ®Google Scholar
• Griffin, C. T., & Nesbitt, S. J. (2016a). The femoral ontogeny and long bone histology of the Middle Triassic (?late Anisian) dinosauriform Asilisaurus kongwe and implications for the growth of early dinosaurs. Journal of Vertebrate Paleontology, 36(3), e1111224. https://doi.org/10.1080/02724634.2016.1111224
   Web of Science ®Google Scholar
• Griffin, C. T., & Nesbitt, S. J. (2016b). Anomalously high variation in postnatal development is ancestral for dinosaurs but lost in birds. Proceedings of the National Academy of Sciences, 113(51), 14757–14762. https://doi.org/10.1073/pnas.1613813113
   PubMed Web of Science ®Google Scholar
• Hoffman, E. A., & Rowe, T. B. (2018). Jurassic stem-mammal perinates and the origin of mammalian reproduction and growth. Nature, 561(7721), 104–108. https://doi.org/10.1038/s41586-018-0441-3
   PubMed Web of Science ®Google Scholar
• Hopson, J. A. (1969). The origin and adaptive radiation of mammal-like reptiles and nontherian mammals. Annals of the New York Academy of Sciences, 167(1), 199–216. https://doi.org/10.1111/j.1749-6632.1969.tb20445.x
   Google Scholar
• Hopson, J. A. (1973). Endothermy, small size, and the origin of mammalian reproduction. The American Naturalist, 107(955), 446–452. https://doi.org/10.1086/282846
   Web of Science ®Google Scholar
• Hopson, J. A. (2012). The role of foraging mode in the origin of therapsids: Implications for the origin of mammalian endothermy. Fieldiana Life and Earth Sciences, 5, 126–148. https://doi.org/10.3158/2158-5520-5.1.126
   Google Scholar
• Huene, F. von. (1936). Die fossilen Reptilien des südamerikanischen Gondwanalandes. Ergebnisse der Sauriergrabungen in Südbrasilien 1928/29. Lieferung 2 (Cynodontia). Franz F. Heine.
   Google Scholar
• Hurum, J. H., & Chinsamy-Turan, A. (2012). The radiation, bone histology, and biology of early mammals. In S. J. Nesbitt, J. B. Desojo, & R. J. Butler (Eds.), Forerunners of Mammals: Radiation, Histology, Biology (pp. 249–270). Indiana University Press.
   Google Scholar
• Huttenlocker, A. K., & Rega, E. A. (2012). The paleobiology and bone microstructure of Pelycosaurian- Grade Synapsids. In S. J. Nesbitt, J. B. Desojo, & R. J. Butler (Eds.), Forerunners of Mammals: Radiation, Histology, Biology (pp. 91–119). Indiana University Press.
   Google Scholar
• Jenkins, F. A. (1971). The postcranial skeleton of African cynodonts (Vol. 36). Bulletin of the Peabody Museum of Natural History.
   Google Scholar
• Jenkins, F. A. (1973). The functional anatomy and evolution of the mammalian humero-ulnar articulation. American Journal of Anatomy, 18.
   Google Scholar
• Jones, K. E., Angielczyk, K. D., Polly, P. D., Head, J. J., Fernandez, V., Lungmus, J. K., Tulga, S., & Pierce, S. E. (2018). Fossils reveal the complex evolutionary history of the mammalian regionalized spine. Science, 361(6408), 1249–1252. https://doi.org/10.1126/science.aar3126
   PubMed Web of Science ®Google Scholar
• Jones, O. R., Gaillard, J.-M., Tuljapurkar, S., Alho, J. S., Armitage, K. B., Becker, P. H., Bize, P., Brommer, J., Charmantier, A., Charpentier, M., Clutton-Brock, T., Dobson, F. S., Festa-Bianchet, M., Gustafsson, L., Jensen, H., Jones, C. G., Lillandt, B.-G., McCleery, R., Merilä, J., & Coulson, T. (2008). Senescence rates are determined by ranking on the fast-slow life-history continuum. Ecology Letters, 11(7), 664–673. https://doi.org/10.1111/j.1461-0248.2008.01187.x
   PubMed Web of Science ®Google Scholar
• Kemp, T. S. (1980). Aspects of the structure and functional anatomy of the Middle Triassic cynodont Luangwa. Journal of Zoology, 191(2), 193–239. https://doi.org/10.1111/j.1469-7998.1980.tb01456.x
   Google Scholar
• Kemp, T. S. (2006). The origin of mammalian endothermy: A paradigm for the evolution of complex biological structure. Zoological Journal of the Linnean Society, 147(4), 473–488. https://doi.org/10.1111/j.1096-3642.2006.00226.x
   Web of Science ®Google Scholar
• Koteja, P. (2000). Energy assimilation, parental care and the evolution of endothermy. Proceedings of the Royal Society of London. Series B: Biological Sciences, 267(1442), 479–484. https://doi.org/10.1098/rspb.2000.1025
   PubMed Web of Science ®Google Scholar
• Kulik, Z. T. (2023) Histological insights into growth trajectories, life history, and community age structure in the mammalian stem lineage [Doctoral dissertation, University of Washington]. ProQuest Dissertation and Theses database.
   Google Scholar
• Lamm, E. -T. (2013). Preparation and Sectioning of Specimens. In K. Padian & E. Lamm - T. (Eds.), Bone histology of fossil tetrapods: Advancing methods, analysis, and interpretation (pp. 55–160). University of California Press.
   Google Scholar
• Luo, Z.-X., Kielan-Jaworowska, Z., & Cifelli, R. L. (2004). Evolution of dental replacement in mammals. Bulletin of Carnegie Museum of Natural History, 36, 159–175. https://doi.org/10.2992/0145-9058(2004)36[159:EODRIM]2.0.CO;2
   Google Scholar
• Martinelli, A. G., Kammerer, C. F., Melo, T. P., Paes Neto, V. D., Ribeiro, A. M., Da-Rosa, Á. A. S., Schultz, C. L., & Soares, M. B. (2017). The African cynodont Aleodon (Cynodontia, Probainognathia) in the Triassic of southern Brazil and its biostratigraphic significance. PLoS ONE, 12(6), e0177948. https://doi.org/10.1371/journal.pone.0177948
   PubMed Web of Science ®Google Scholar
• McNab, B. K. (1978). The evolution of endothermy in the phylogeny of mammals. The American Naturalist, 112(983), 1–21.
   Web of Science ®Google Scholar
• Nesbitt, S. J., Langer, M. C., & Ezcurra, M. D. (2020). The anatomy of Asilisaurus kongwe, a dinosauriform from the Lifua Member of the Manda Beds. Journal of Vertebrate Paleontology, 40(4), e1788135. https://doi.org/10.1080/02724634.2020.1788135
   Google Scholar
• Nussey, D. H., Froy, H., Lemaitre, J.-F., Gaillard, J.-M., & Austad, S. N. (2013). Senescence in natural populations of animals: Widespread evidence and its implications for bio-gerontology. Ageing Research Reviews, 12(1), 214–225. https://doi.org/10.1016/j.arr.2012.07.004
   PubMed Web of Science ®Google Scholar
• Oliveira, T., Schultz, C., & Soares, M. (2009). A partial skeleton of Chiniquodon (Cynodontia, Chiniquodontidae) from the Brazilian Middle Triassic. Revista Brasileira de Paleontologia, 12(2), 113–122. https://doi.org/10.4072/rbp.2009.2.02
   Web of Science ®Google Scholar
• Owen, R. (1861). Palaeontology, or, a systematic summary of extinct animals and their geologic relations. Adam and Charles Black.
   Google Scholar
• Promislow, D. E. L. (1991). Senescence in natural populations of mammals: A comparative study. Evolution, 45(8), 1869–1887. https://doi.org/10.1111/j.1558-5646.1991.tb02693.x
   PubMed Web of Science ®Google Scholar
• Ray, S., Botha-Brink, J., & Chinsamy-Turan, A. (2012). Dicynodont growth dynamics and lifestyle adaptations. In Forerunners of mammals: Radiation, Histology, Biology (pp. 121–146). Indiana University Press.
   Google Scholar
• Ray, S., Botha, J., & Chinsamy, A. (2004). Bone histology and growth patterns of some nonmammalian therapsids. Journal of Vertebrate Paleontology, 24(3), 634–648. https://doi.org/10.1671/0272-4634(2004)024[0634:BHAGPO]2.0.CO;2
   Web of Science ®Google Scholar
• Sidor, C. A., & Hopson, J. A. (1998). Ghost lineages and “mammalness”: Assessing the temporal pattern of character acquisition in the Synapsida. Paleobiology, 24(2), 254–273.
   Web of Science ®Google Scholar
• Sidor, C. A., & Hopson, J. A. (2018). Cricodon metabolus (Cynodontia: Gomphodontia) from the Triassic Ntawere Formation of northeastern Zambia: patterns of tooth replacement and a systematic review of Trirachodontidae. In C. A. Sidor & S. J. Nesbitt (Eds.), Vertebrate and Climatic Evolution in the Triassic Rift Basins of Tanzania and Zambia, Society of Vertebrate Paleontology Memoir 17 (pp. 39-64). Journal of Vertebrate Paleontology, 37(6, supplement).
   Google Scholar
• Smith, R. M. H., Sidor, C. A., Angielczyk, K. D., Nesbitt, S. J., & Tabor, N. J. (2018). Taphonomy and paleoenvironments of Middle Triassic bone accumulations in the Lifua Member of the Manda Beds, Songea Group (Ruhuhu Basin), Tanzania. In C. A. Sidor & S. J. Nesbitt (Eds.), Vertebrate and Climatic Evolution in the Triassic Rift Basins of Tanzania and Zambia, Society of Vertebrate Paleontology Memoir 17 (pp. 39–64). Journal of Vertebrate Paleontology, 37(1, supplement), 65–79. https://doi.org/10.1080/02724634.2017.1415915
   Google Scholar
• Steyer, J.-S., Peecook, B. R., Arbez, T., Nesbitt, S. J., Tolan, S., Stocker, M. R., Smith, R. M. H., Angielczyk, K. D., & Sidor, C. A. (2021). New data on the Triassic temnospondyls from the Karoo rift basins of Tanzania and Zambia. Geodiversitas, 43(12), e12. https://doi.org/10.5252/geodiversitas2021v43a12
   Web of Science ®Google Scholar
• Tsuji, L. A. (2018). Mandaphon nadra, gen. et sp. nov., a new procolophonid from the Manda Beds of Tanzania. In C. A. Sidor & S. J. Nesbitt (Eds.), Vertebrate and Climatic Evolution in the Triassic Rift Basins of Tanzania and Zambia (pp. 80-87). Society of Vertebrate Paleontology Memoir 17. Journal of Vertebrate Paleontology, 37(1, supplement). https://doi.org/10.1080/02724634.2017.1413383
   Google Scholar
• Veiga, F. H., Botha-Brink, J., & Soares, M. B. (2018). Osteohistology of the non-mammaliaform traversodontids Protuberum cabralense and Exaeretodon riograndensis from southern Brazil. Historical Biology, 31(4), 448–458. https://doi.org/10.1080/08912963.2018.1441292
   Google Scholar
• Weinmann, J. P., & Sicher, H. (1955). Bone and bones: Fundamentals of bone biology (2nd ed.). Mosby.
   Google Scholar
• Werning, S., & Nesbitt, S. J. (2016). Bone histology and growth in Stenaulorhynchus stockleyi (Archosauromorpha: Rhynchosauria) from the Middle Triassic of the Ruhuhu Basin of Tanzania. Comptes Rendus Palevol, 15(1–2), 163–175. https://doi.org/10.1016/j.crpv.2015.03.004
   Web of Science ®Google Scholar
• Woodward, H. N., Fowler, E. A. F., Farlow, J. O., & Horner, J. R. (2015). Maiasaura, a model organism for extinct vertebrate population biology: A large sample statistical assessment of growth dynamics and survivorship. Paleobiology, 41(4), 503–527. https://doi.org/10.1017/pab.2015.19
   Web of Science ®Google Scholar
• Wynd, B. M., Peecook, B. R., Whitney, M. R., & Sidor, C. A. (2018). The first occurrence of Cynognathus crateronotus (Cynodontia: Cynognathia) in Tanzania and Zambia, with implications for the age and biostratigraphic correlation of Triassic strata in southern Pangea. In C. A. Sidor & S. J. Nesbitt (Eds.), Vertebrate and Climatic Evolution in the Triassic Rift Basins of Tanzania and Zambia (pp. 80-87). Society of Vertebrate Paleontology Memoir 17. Journal of Vertebrate Paleontology, 37(1, supplement), 228–239. https://doi.org/10.1080/02724634.2017.1421548
   Google Scholar