Triassic nursery? Evidence of gregarious behavior in juvenile pseudosuchian archosaurs as inferred by humeral histology of Aetosaurus ferratus (Norian; southern Germany)

LITERATURE CITED

• Abdala, F., Cisneros, J. C., & Smith, R. M. (2006). Faunal aggregation in the Early Triassic Karoo Basin: earliest evidence of shelter-sharing behavior among tetrapods? Palaios, 21(5), 507–512.
   Web of Science ®Google Scholar
• Biacchi Brust, A. C., Desojo, J. B., Schultz, C. L., Paes-Neto, V. D., & Da-Rosa, Á. A. S. (2018). Osteology of the first skull of Aetosauroides scagliai Casamiquela 1960 (Archosauria: Aetosauria) from the Upper Triassic of southern Brazil (Hyperodapedon Assemblage Zone) and its phylogenetic importance. PLoS One, 13(8), e0201450.
   PubMed Web of Science ®Google Scholar
• Butler, R. J., Jones, A. S., Buffetaut, E., Mandl, G. W., Scheyer, T. M., & Schultz, O. (2019). Description and phylogenetic placement of a new marine species of phytosaur (Archosauriformes: Phytosauria) from the Late Triassic of Austria. Zoological Journal of the Linnean Society, 187(1), 198–228.
   Web of Science ®Google Scholar
• Cotton, W. D., Cotton, J. E., & Hunt, A. P. (1998). Evidence for social behavior in ornithopod dinosaurs from the Dakota Group of northeastern New Mexico, USA. Ichnos: An International Journal of Plant & Animal, 6(3), 141–149.
   Google Scholar
• de Buffrénil, V., de Ricqlès, A. J., Zylberberg, L., & Padian, K. (Eds.). (2021). Vertebrate skeletal histology and paleohistology. CRC Press.
   Google Scholar
• de Margerie, E., Cubo, J., & Castanet, J. (2002). Bone typology and growth rate: testing and quantifying ‘Amprino’s rule’in the mallard (Anas platyrhynchos). Comptes rendus biologies, 325(3), 221–230.
   PubMed Web of Science ®Google Scholar
• de Ricqlès, A. J., Padian, K., & Horner, J. R. (2003). On the bone histology of some Triassic pseudosuchian archosaurs and related taxa. Annales de Paléontologie, 89(2), 67–101.
   Google Scholar
• de Ricqlès, A., Padian, K., Knoll, F., & Horner, J. R. (2008). On the origin of high growth rates in archosaurs and their ancient relatives: complementary histological studies on Triassic archosauriforms and the problem of a “phylogenetic signal” in bone histology. Annales de Paléontologie, 94(2), 57–76.
   Web of Science ®Google Scholar
• Desojo, J. B., Heckert, A. B., Martz, J. W., Parker, W. G., Schoch, R. R., Small, B. J., & Sulej, T. (2013). Aetosauria: a clade of armoured pseudosuchians from the Upper Triassic continental beds. Geological Society, London, Special Publications, 379(1), 203–239.
   Google Scholar
• Fraas, O. (1877). Aëtosaurus ferratus Fr. Die gepanzerte Vogel-Echse aus dem Stubensandstein bei Stuttgart. Schweizerbart.
   Google Scholar
• França, M. A. G., Ferigolo, J., & Langer, M. C. (2011). Associated skeletons of a new middle Triassic “Rauisuchia” from Brazil. Naturwissenschaften, 98(5), 389–395.
   PubMed Web of Science ®Google Scholar
• Francillon-Vieillot, H., de Buffrénil, V., Castanet, J., Géraudie, J., Meunier, F. J., Sire, J. Y., Zylberg, L. & de Ricqlès, A. (1990). Microstructure and mineralization of vertebrate skeletal tissues. Skeletal biomineralization: patterns, processes and evolutionary trends, 1, 471–530.
   Google Scholar
• Gans, C., & Tinkle D. W. (1978). Biology of the Reptilia. Volume 7, Ecology and Behaviour A. Academic Press, London, New York, and San Francisco.
   Google Scholar
• Gônet, J., Laurin, M., & Girondot, M. (2022). BoneProfileR: The next step to quantify, model, and statistically compare bone section compactness profiles. Palaeontologia Electronica, 25(1), a12. doi:10.26879/1194
   Web of Science ®Google Scholar
• Hoffman, D. K., Heckert, A. B., & Zanno, L. E. (2019). Disparate growth strategies within Aetosauria: novel histologic data from the aetosaur Coahomasuchus chathamensis. The Anatomical Record, 302(9), 1504–1515.
   Google Scholar
• Klein, N., & Griebeler, E. M. (2018). Growth patterns, sexual dimorphism, and maturation modeled in Pachypleurosauria from Middle Triassic of central Europe (Diapsida: Sauropterygia). Fossil Record, 21(1), 137–157.
   Web of Science ®Google Scholar
• Klein, N., & Sander, P. M. (2007). Bone histology and growth of the prosauropod dinosaur Plateosaurus engelhardti von Meyer, 1837 from the Norian bonebeds of Trossingen (Germany) and Frick (Switzerland). Special Papers in Palaeontology, 77, 169–206.
   Google Scholar
• Klein, N., Scheyer, T., & Tütken, T. (2009). Skeletochronology and isotopic analysis of a captive individual of Alligator mississippiensis Daudin, 1802. Fossil Record, 12(2), 121–131.
   Web of Science ®Google Scholar
• Klein, N., Foth, C., & Schoch, R. R. (2017). Preliminary observations on the bone histology of the Middle Triassic pseudosuchian archosaur Batrachotomus kupferzellensis reveal fast growth with laminar fibrolamellar bone tissue. Journal of Vertebrate Paleontology, 37(4), e1333121.
   Web of Science ®Google Scholar
• Long, R. A., & Ballew, K. L. (1985). Aetosaur dermal armor from the Late Triassic of southwestern North America, with special reference to material from the Chinle Formation of Petrified Forest National Park. Museum of Northern Arizona Bulletin, 47, 45–68.
   Google Scholar
• Nesbitt, S. J., Zawiskie, J. M., & Dawley, R. M. (2020). The osteology and phylogenetic position of the loricatan (Archosauria: Pseudosuchia) Heptasuchus clarki, from the? Mid-upper Triassic, southeastern big Horn Mountains, Central Wyoming (USA). PeerJ, 8, e10101.
   PubMed Web of Science ®Google Scholar
• Parker, W. G., Nesbitt, S. J., Irmis, R. B., Martz, J. W., Marsh, A. D., Brown, M. A., Stocker, M. R., & Werning, S. (2022). Osteology and relationships of Revueltosaurus callenderi (Archosauria: Suchia) from the Upper Triassic (Norian) Chinle Formation of Petrified Forest National Park, Arizona, United States. The Anatomical Record, 305(10), 2353–2414.
   Google Scholar
• Pol, D., Mancuso, A. C., Smith, R. M., Marsicano, C. A., Ramezani, J., Cerda, I. A., Otero, A., & Fernandez, V. (2021). Earliest evidence of herd-living and age segregation amongst dinosaurs. Scientific reports, 11(1), 1–9.
   PubMed Web of Science ®Google Scholar
• Ponce, D. A., Desojo, J. B., & Cerda, I. A. (2022). Palaeobiological inferences of the aetosaur Aetosauroides scagliai (Archosauria: Pseudosuchia) based on microstructural analyses of its appendicular bones. Historical Biology, doi:10.1080/08912963.2022.2035728.
   Web of Science ®Google Scholar
• Sander, P. M. (1992). The Norian Plateosaurus bonebeds of central Europe and their taphonomy. Palaeogeography, Palaeoclimatology, Palaeoecology, 93(3-4), 255–299.
   Web of Science ®Google Scholar
• Scheyer, T. M., Desojo, J. B., & Cerda, I. A. (2014). Bone histology of phytosaur, aetosaur, and other archosauriform osteoderms (Eureptilia, Archosauromorpha). The Anatomical Record, 297(2), 240–260.
   Google Scholar
• Schoch, R. R. (2007). Osteology of the small archosaur Aetosaurus from the Upper Triassic of Germany. Neues Jahrbuch Für Geologie Und Paläontologie-Abhandlungen, 246, 1–35.
   Web of Science ®Google Scholar
• Schoch, R. R., & Desojo, J. B. (2016). Cranial anatomy of the aetosaur Paratypothorax andressorum Long & Ballew, 1985, from the Upper Triassic of Germany and its bearing on aetosaur phylogeny. Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen, 279, 73–95.
   Web of Science ®Google Scholar
• Shipman, P. A. T. (1975). Implications of drought for vertebrate fossil assemblages. Nature, 257(5528), 667–668.
   Web of Science ®Google Scholar
• Teschner, E. M., Konietzko-Meier, D., & Klein, N. (2022). Growth and limb bone histology of aetosaurs and phytosaurs from the Late Triassic Krasiejów locality (SW Poland) reveals strong environmental influence on growth pattern. Contributions to Zoology, 91(3), 199–232.
   Web of Science ®Google Scholar
• Thorbjarnarson, J. B., & Hernández, G. (1993). Reproductive ecology of the Orinoco crocodile (Crocodylus intermedius) in Venezuela. I. Nesting ecology and egg and clutch relationships. Journal of Herpetology, 27(4), 363–370.
   Web of Science ®Google Scholar
• Walker, A. D. (1961). Triassic reptiles from the Elgin area: Stagonolepis, Dasygnathus and their allies. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences, 244(709), 103–204.
   Web of Science ®Google Scholar
• Wild, R. (1989). Aetosaurus (Reptilia: Thecodontia) from the Upper Triassic (Norian) of Cene near Bergamo, Italy, with a revision of the genus. Rivista del Museo Civico di Scienze Naturali, 14, 1–24.
   Google Scholar
• Zhao, Q., Benton, M. J., Xu, X., & Sander, P. M. (2013). Juvenile-only clusters and behaviour of the Early Cretaceous dinosaur Psittacosaurus. Acta Palaeontologica Polonica, 59(4), 827–833.
   Web of Science ®Google Scholar