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    20 October 2025, Volume 63 Issue 4
    From the coast of the Yellow Sea to the Tibetan Plateau: Prof. Qiu Zhanxiang’s academic elevation
    DENG Tao
    2025, 63(4):  253-265. 
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    Prof. Qiu Zhanxiang’s academic life presents a cross regional scientific research landscape: born in Qingdao City on the coast of the Yellow Sea, he devoted his life to exploring the mysteries of terrestrial mammalian evolution. In his early years, he received systematic training at the Geological Department of Moscow University and graduated in 1960, which laid a solid disciplinary foundation for him. After returning to China, he took root in the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, starting a scientific research journey that lasted for more than half a century. As a paleontologist, his career has distinct international characteristics: from 1982 to 1984, he was awarded the Humboldt Scholarship from the Federal Republic of Germany and completed his doctoral thesis at the Gutenberg University of Mainz, and from 1982 to 1999, he conducted a series of international cooperation projects. His academic leadership was particularly prominent in his career, as he led multiple strategic scientific research projects during his tenure at the institute from 1991 to 1995. His scientific research footprint spans from the Nei Mongol Gobi to the Tibetan Plateau, and from the Yushe Basin in Shanxi Province to the Linxia Basin in Gansu Province. The National Climbing Plan of “Research on the origin of early human beings and environmental background” presided over by him has created a new paradigm of interdisciplinary research. In terms of disciplinary achievements, Prof. Qiu has achieved three landmark accomplishments: deciphering the evolutionary code of the Paleocene red bed mammalian fauna of South China, clarifying the lineage of giant rhino fossils, and establishing a biochronological scale for the Neogene terrestrial strata in China and conducting in-depth research on the carnivore and perissodactyl fossils contained therein. These achievements have provided a key evidence chain for analyzing the evolutionary mechanism of mammals’ adaptation to environmental changes over 66 million years, which not only won him the title of CAS Academician in 2005, but also left China’s mark in the field of international Cenozoic paleontology and stratigraphy.

    Late Miocene immigrant carnivorans in California, USA highlight a coastal corridor for intercontinental dispersals
    Zhijie Jack TSENG, WANG Xiao-Ming
    2025, 63(4):  266-276.  DOI: 10.19615/j.cnki.2096-9899.250813
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    The Neogene interval witnessed three major waves of intercontinental dispersals by carnivoran mammals, mainly migrating from Eurasia to North America but with rare occurrences going in the opposite direction (e.g., Sthenictis, Leptarctus). The timing and composition of dispersers are thought to be controlled by filter-bridge mechanisms, but it is unclear what types of regional conditions promoted occasional dispersals outside of the three major waves. We study and report on new occurrences of small-bodied carnivorans from late Clarendonian-aged Black Hawk Ranch and Cuyama Valley fossil mammal assemblages in California. The relatively late occurrences of the mustelids Sthenictis and Hoplictis and the ailurid Alopecocyon in coastal regions of western North America suggest that nearshore dispersal corridors both facilitate and preserve faunal elements later than they might otherwise occur further inland. The availability of both marine- and terrestrially-derived food resources may be an important factor in allowing coastally dispersing taxa to be accommodated in those ecological communities compared to less heterogenous environments further inland.

    Eco-functional divergence of Crocuta and Pachycrocuta: a Huainan specimen reappraisal
    LIU Jin-Yi, Zhijie Jack TSENG, JIN Chang-Zhu, ZHENG Long-Ting, SUN Cheng-Kai, TONG Hao-Wen
    2025, 63(4):  277-322.  DOI: 10.19615/j.cnki.2096-9899.250912
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    Crocuta and Pachycrocuta are widely regarded as the most prevalent and emblematic hyenas across Eurasia during Quaternary. They are easily distinguished by their distinctive carnassial teeth. However, the disparities in non-carnassial elements are less pronounced and have received minimal attention in previous studies. This has resulted in erroneous identifications when dealing with fragmented specimens, particularly in cases where carnassial teeth are poorly preserved or absent. Such misidentifications have the potential to give rise to erroneous inferences regarding the paleozoogeography and biochronology of the animals in question. The bone-cracking hyena specimens from Huainan, Anhui (Tseng et al., 2008) are re-examined and re-evaluated here through a series of morphological comparisons and data analyses (univariate, bivariate, and multivariate analyses etc.). The results provide unequivocal confirmation that the specimens from Xiliexi are not spotted hyenas, but belong to Pachycrocuta perrieri instead. Conversely, the specimen from Dadingshan is the only genuine representative of the spotted hyena, which is supposed to be a possible earliest fossil record for Crocuta ultima thus far in China. Furthermore, the disparities in dentognathic morphology between Crocuta and Pachycrocuta are systematically summarized and analyzed, with an explanation of their eco-functional significance. The present study hypothesizes that Pachycrocuta retains a certain degree of active predatory capability, attributable to the robustness of the canine and the symphysis of the jaw, among other factors. This finding indicates that Pachycrocuta exhibits a form of flexible foraging behavior, combining opportunistic scavenging and active hunting in a manner analogous to Crocuta. Finally, the dynamic evolutionary history of hyenas in East China since Pleistocene has also been broadly reconstructed.

    First discovery of Panthera spelaea cranium from Salawusu, northern China
    JIANGZUO Qi-Gao, LI Hong, YAMAGUCHI Nobuyuki, Joan MADURELL-MALAPEIRA, ZHANG Jian-Sheng, MA Hui-Min, GUO Ding-Ge, LI Shi-Jie, FU Jiao, ZHANG Xiao-Xiao, LI Chun-Xiao, XIE Kun, TONG Hao-Wen, LIU Jin-Yi, WANG Shi-Qi, DENG Tao
    2025, 63(4):  323-334.  DOI: 10.19615/j.cnki.2096-9899.250704
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    Cave lion (Panthera spelaea) remains have been described in all the Holarctic domain, however, its records in China are very rare. Here we describe an almost complete cranium from Salawusu, Northern China. Even though the dentition is largely broken or missing, the cranium shows key characters with clear cave lion affinity, particularly from the basicranium region. These features include wide and short nasals, wide rostrum without post-canine constriction, enlarged ectotympanic, flatted entotympanic, separated stylomastoid foramen and hyoid fossa and medially located hypoglossal foramen. The cranium is larger than the known cranial size range of Beringia cave lion P. spelaea vereshchagini, suggesting that the geographical delimitation of cave lion subspecies may be more complex than previously understood. The coexistence of cave lion with Palaeoloxodon in Salawusu indicates a high plasticity in diet and environmental adaptation for this species.

    New materials of Exallerix pustulatus (Erinaceidae, Eulipotyphla) from Nei Mongol and other Brachyericinae of China
    LI Lu, LI Qiang, WANG Xiao-Ming
    2025, 63(4):  335-349.  DOI: 10.19615/j.cnki.2096-9899.250910
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    This article describes new fossil material of Exallerix pustulatus from the early Late Oligocene of Nei Mongol, China. The specimens supplement and clarify certain mandibular and lower dental morphological features of this species, allowing for further comparisons with other short-faced hedgehogs. Previously, E. pustulatus had only been recorded from the Hsanda Gol Formation at Taatsiin Gol, in the Valley of Lakes, Mongolia. This discovery of new material from Sonid Left Banner marks the first occurrence of the genus Exallerix in China. In addition, discussions of other short-faced hedgehog fossils from Chinese localities confirm the validity of Metexallerix gaolanshanensis, which lived during the late Late Oligocene, approximately 25 Ma. Furthermore, the short-faced hedgehog specimens from locality Damiao 16 in Nei Mongol are tentatively referred to Synexallerix junggarensis, rather than M. gaolanshanensis.