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321.
Rodney W. Berrell Catherine Boisvert Kate Trinajstic Mikael Siversson Jesús Alvarado-Ortega Lionel Cavin 《Alcheringa: An Australasian Journal of Paleontology》2020,44(2):286-311
AbstractThe Australian Mesozoic fish fauna is considered to be depauperate in comparison with fish faunas in the Northern Hemisphere. However, due to its geographical location as a potential radiation center in the Southern Hemisphere, Australia’s Mesozoic fish fauna is important for understanding fish radiations. Most of the modern fish groups originated during the Mesozoic, but the first records of a modern fish fauna (freshwater and marine) in Australia does not occur until the lower Paleogene. Here, we review all known fossil fish-bearing localities from the Mesozoic of Australia, to improve the understanding of the record. The apparent low Australian Mesozoic fish diversity is likely due to its understudied status of the constituent fossils rather than to a depauperate record. In addition, we review recent work with the aim of placing the Australian Mesozoic fish fauna in a global context. We review the taxonomy of Australian fossil fishes and conclude that the assignments of many actinopterygians need major revision within a modern phylogenetic context. The vast majority of chondrichthyans are yet to be formally described; to the contrary all of the known lungfish specimens have been described. This study considers the microscopic and fragmented remains of Mesozoic fish already found in Australia, allowing a more complete view of the diversity of the fishes that once inhabited this continent.Rodney W. Berrell [r. berrell@postgrad. curtin. edu. au], School of Earth and Planetary Sciences, Curtin University, Kent Street, Bentley, Western Australia, 6102, Australia; Catherine Boisvert [Catherine. Boisvert@curtin. edu. au], School of Molecular and Life Sciences (MLS), Curtin University, Kent Street, Bentley, Western Australia, 6102, Australia; Kate Trinajstic [K. Trinajstic@curtin. edu. au], School of Molecular and Life Sciences (MLS), Curtin University, Kent Street, Bentley, Western Australia, 6102, Australia; Mikael Siversson# [mikael. siversson@museum. wa. gov. au], Department of Earth and Planetary Sciences, Western Australian Museum, 49 Kew Street, Welshpool, Western Australia, 6106, Australia; Jesús Alvarado-Ortega [jalvarado@yahoo. com. mx], Instituto Geologia Cd universitaria, Circuito de la investigacion, Del. coyoacan, C.P. 04510, Ciudad de México, México; Lionel Cavin [lionel. cavin@ville-ge. ch], Section of Earth Sciences, Muséum d’Histoire naturelle de la Ville de Genèeve, CP 6434, 1211 Genève 6, Switzerland; Steven W. Salisbury [s. salisbury@uq. edu. au], School of Biological Sciences, The University of Queensland, Brisbane St Lucia, Queensland, 4072, Australia; Anne Kemp [annerkemp@gmail. com], 9 Hampton Grove, Norwood, Adelaide, South Australia 5067, Australia. #Also affiliated with: School of Molecular and Life Sciences, Curtin University, Kent Street, Bentley, WA 6102, Australia. 相似文献
322.
Catherine J. Frieman Anne Teather Chelsea Morgan 《Norwegian Archaeological Review》2019,52(2):148-169
Normative notions of sex and gender were prevalent in discussion of European prehistoric societies until the last quarter of the 20th century. The progressive work that challenged a binary approach, published particularly in the 1990s, created an anticipation for further nuanced interpretation. This paper argues that, in contrast to this expectation, there was a surprising return to narrating a past of binary sex and gender. Societal roles have continued to be imagined as formalised through structures based on biological sex, with men seen as active mobile agents, while women were passive and static homemakers. We argue that not only is this unhelpful, the archaeological evidence renders it incorrect. We highlight the inherent conflicts in the data to show that investigating sex and gender in the past is difficult with imperfect and complex archaeological evidence. It requires careful and deliberate consideration to avoid normative explanations. In conclusion, we propose that investigating mobility is a particularly effective topic for examining past gendered societal roles. 相似文献
323.
Young people’s everyday landscapes of security and insecurity 总被引:1,自引:0,他引:1
Peter Hopkins Kathrin Hörschelmann Matthew. C Benwell Catherine Studemeyer 《Social & Cultural Geography》2019,20(4):435-444
AbstractDebates about ‘security’ rarely feature children or younger people, whilst research with children and young people seldom focuses upon issues traditionally found within security studies. Building upon long-standing debates about political geographies of youth and political participation as well as feminist geopolitics and emerging discussions about children’s and young people’s geopolitics, we chart young people’s everyday landscapes of security and insecurity. Key themes explored here include: secure pasts and insecure futures; ontological security and insecure selves; online security and digital insecurities; home(land) securities and insecure households and families; and global securities and insecure worlds. 相似文献