Previously unknown human species found in Asia raises questions about early hominin dispersals from Africa

Tocheri, Matthew W.

doi:10.1038/d41586-019-01019-7

Cited by 5 publications

(4 citation statements)

References 15 publications

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“…Accordingly, our results (as informed by current fossil evidence) point toward either geographic isolation (allopatric speciation) or behavioural factors driving population divergence leading to sympatric speciation of H. floresiensis and H. luzonensis from H. erectus. Alternatively, our results would also be consistent with scenarios proposing that H. floresiensis and H. luzonensis did not descend from H. erectus but from some, as yet, unidentified fossil species (Jungers et al, 2009;Baab, 2016;Détroit et al, 2019;Tocheri, 2019).…”

Section: Discussionsupporting

confidence: 91%

“…One difference between these species that has only been considered at a very broad level is their temporal presence. Indeed, despite the late occurrence of H. floresiensis and H. luzonensis (90–60 ka) being widely known and recognised for its importance (Aiello, 2010; Baab, 2016; Sutikna et al , 2018; Détroit et al , 2019; Tocheri, 2019), no work has investigated how this relates to the temporal occupancy of H. erectus in Asia and questions of population separation. These questions are even more pertinent after Sutikna et al 's (2016) recently revised dating of H. floresiensis and Rizal et al 's (2020) discovery that H. erectus persisted to c .…”

Section: Introductionmentioning

confidence: 99%

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Homo floresiensisandHomo luzonensisare not temporally exceptional relative toHomo erectus

Roberts

Jarić

Lycett

et al. 2023

J Quaternary Science

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The presence of Homo floresiensis and Homo luzonensis in southeast Asia 90,000 to 60,000 years ago is considered surprising by many, and has been used to support their designation as unique species and the islands they were discovered on as refugia. Here, we statistically test the null hypothesis that H. floresiensis and H. luzonensis represent temporally uninterrupted occurrences relative to Homo erectus. We do this using the 'surprise test' for the exceptionality of a new record. Results demonstrate that H. floresiensis and H. luzonensis are not temporally distinct relative to H. erectus. Their late persistence should, therefore, not be considered surprising, they cannot reliably be inferred to be outside of H. erectus' temporal range, andtemporallythe islands of Luzon and Flores are not supported as refugia. Similarly, late H. erectus at Ngandong, Java, is not demonstrated to be temporally distinct relative to earlier, principally mainland-Asian, H. erectus. Further, we demonstrate that substantial numbers of fossil discoveries would be needed before H. floresiensis and H. luzonensis are outside of H. erectus' expected temporal range. If H. floresiensis and H. luzonensis are descended from H. erectus populations, our results point toward either geographic processes of allopatric speciation or behavioural processes leading to a sympatric speciation event.

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Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Homo floresiensisandHomo luzonensisare not temporally exceptional relative toHomo erectus

Roberts

Jarić

Lycett

et al. 2023

J Quaternary Science

View full text Add to dashboard Cite

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“…This possibility was used by Dennell and Roebroeks () to argue that a pre‐human species could have been the first hominin to emerge from Africa, rather than H. erectus , and that it was represented by a long‐lived descendant lineage, surviving in a remote isolation on the island of Flores for over 1 million years. These arguments will continue with the addition of H. luzonensis to the fossil record (Détroit et al , ; Tocheri, ).…”

Section: Homo Floresiensismentioning

confidence: 99%

Aspects of human physical and behavioural evolution during the last 1 million years

Galway‐Witham

Cole

Stringer

2019

J Quaternary Science

106

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This paper reviews some of the main advances in our understanding of human evolution over the last 1 million years, presenting a holistic overview of a field defined by interdisciplinary approaches to studying the origins of our species. We begin by briefly summarizing the climatic context across the Old World for the last 1 million years before directly addressing the fossil and archaeological records. The main themes in this work explore (i) recent discoveries in the fossil record over the last 15 years, such as Homo naledi and Homo floresiensis; (ii) the implications of palaeogenetics for understanding the evolutionary history of, and relationships between, Neanderthals, Denisovans and Homo sapiens; (iii) the interplay between physiology and metabolic demand, landscape use, and behavioural adaptations in the evolution of morphological and behavioural innovation; and (iv) recent advances in archaeological understanding for the behavioural record, in particular that of the Neanderthals. This paper seeks to provide a broad‐scale, holistic perspective of our current understanding of human evolution for the last 1 Ma, providing a reference point for researchers that can be built upon as new discoveries continue to develop the landscapes of human evolution. © 2019 The Authors. Journal of Quaternary Science Published by Wiley Periodicals, Inc.

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“…The potentially earliest members of this species were found at Mata Menge, Flores Island, which is dated to ~700 ka (Brumm et al, 2016;van den Bergh et al, 2016), while the H. floresiensis specimens recovered at Liang Bua cave are penecontemporanous to those of H. luzonensis, dating between 100 ka and 60 ka (Sutikna et al, 2016). Postcranial bones of the hands and feet of both H. floresiensis and H. luzonensis show early Homo-like or australopith-like features, at least in some parts, possibly suggesting an early origin for these taxa (Tocheri et al, 2007;Argue et al, 2009Argue et al, , 2017Jungers, 2013;Détroit et al, 2019;Tocheri, 2019). Conversely, cranial and dental morphology of H. floresiensis are more consistent with the hypothesis that it derived from Asian H. erectus groups (Kaifu et al, 2011(Kaifu et al, , 2015aBaab, 2016).…”

Section: The Discovery Of Homo Luzonensis and Evolutionary Implicationsmentioning

confidence: 99%

Further analyses of the structural organization of Homo luzonensis teeth: Evolutionary implications

Zanolli

Kaifu

Pan

et al. 2022

Journal of Human Evolution

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Previously unknown human species found in Asia raises questions about early hominin dispersals from Africa

Cited by 5 publications

References 15 publications

Homo floresiensisandHomo luzonensisare not temporally exceptional relative toHomo erectus

Homo floresiensisandHomo luzonensisare not temporally exceptional relative toHomo erectus

Aspects of human physical and behavioural evolution during the last 1 million years

Further analyses of the structural organization of Homo luzonensis teeth: Evolutionary implications

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