The Rhinocerotidae is one of the most common and important families in the Pleistocene mammalian fauna of South China.Since the last century,most of the Pleistocene rhinocerotid fossils were prematurely assigned to Rh...The Rhinocerotidae is one of the most common and important families in the Pleistocene mammalian fauna of South China.Since the last century,most of the Pleistocene rhinocerotid fossils were prematurely assigned to Rhinoceros sinensis,which has resulted in confusion of taxonomy for decades,especially in South China.The Yanjinggou area in Chongqing Municipality of China,where the neotype of R.sinensis came from,has yielded abundant rhinocerotid fossils and is a key area to solve this problem.A recently discovered juvenile skull from a karstic fissure in this area can be referred to Dicerorhinus sumatrensis(Fischer,1814),which is the first confirmed non-Rhinoceros rhinocerotid from the area.This new finding indicates that non-Rhinoceros fossils might have been mixed in AMNH collection from Yanjinggou and thus the diagnosis of Rhinoceros sinensis needs reformation.On the other hand,Stephanorhinus?kirchbergensis is also detected in Granger’s collection based on our reobservation.The coexistence of Rhinoceros,Dicerorhinus and Stephanorhinus shows the higher diversity of Pleistocene rhinocerotids in South China.展开更多
Yanjinggou in Wanzhou District of Chongqing is one of the earliest reported and most famous Quaternary mammalian fossil areas in China.The fauna from this area used to be taken as a benchmark for the biochronological ...Yanjinggou in Wanzhou District of Chongqing is one of the earliest reported and most famous Quaternary mammalian fossil areas in China.The fauna from this area used to be taken as a benchmark for the biochronological comparison of Quaternary paleontology of South China,but the chronology of this fauna has many controversies for the lack of exact locational and stratigraphical records.The present article,on the basis of recent investigations and discoveries,discusses and explains the distribution and biochronology of the mammalian faunas in the Yanjinggou area.The newly discovered Dayakou fissure fauna,including Rhizomys troglodytes,Homotherium sp.,Panthera pardus,Stegodon orientalis,Dicerorhinus sumatrensis,Hesperotherium sinense,Sus sp.,Cervavitus fenqii,Cervus sp.and Muntiacus sp.,is correlated to the middle Early Pleistocene.The presence of Early Pleistocene mammalian fauna in the Yanjinggou area is therefore confirmed.The"Wanhsien fauna"or"Yenchingkou(=Yanjinggou)fauna"as a Mid-Late Pleistocene biostratigraphical datum should be abandoned.The Dayakou fauna and the Upper Cave fauna of Pingba,both in the Yanjinggou area,are correlated to the middle Early Pleistocene and the early Middle Pleistocene in age,respectively.展开更多
基金supported by the Chinese Academy of Sciences(Grant No.XDB26000000)the National Natural Science Foundation of China(Grant No.41430102,41702001)State Key Laboratory of Palaeobiology and Stratigraphy(Nanjing Institute of Geology and Palaeontology,CAS)(Grant No.173102)。
文摘The Rhinocerotidae is one of the most common and important families in the Pleistocene mammalian fauna of South China.Since the last century,most of the Pleistocene rhinocerotid fossils were prematurely assigned to Rhinoceros sinensis,which has resulted in confusion of taxonomy for decades,especially in South China.The Yanjinggou area in Chongqing Municipality of China,where the neotype of R.sinensis came from,has yielded abundant rhinocerotid fossils and is a key area to solve this problem.A recently discovered juvenile skull from a karstic fissure in this area can be referred to Dicerorhinus sumatrensis(Fischer,1814),which is the first confirmed non-Rhinoceros rhinocerotid from the area.This new finding indicates that non-Rhinoceros fossils might have been mixed in AMNH collection from Yanjinggou and thus the diagnosis of Rhinoceros sinensis needs reformation.On the other hand,Stephanorhinus?kirchbergensis is also detected in Granger’s collection based on our reobservation.The coexistence of Rhinoceros,Dicerorhinus and Stephanorhinus shows the higher diversity of Pleistocene rhinocerotids in South China.
基金supported by the National Basic Research Program of China(2012CB821906)the National Natural Science Foundation of China(40730210)the Chinese Academy of Sciences(KL210207)
文摘Yanjinggou in Wanzhou District of Chongqing is one of the earliest reported and most famous Quaternary mammalian fossil areas in China.The fauna from this area used to be taken as a benchmark for the biochronological comparison of Quaternary paleontology of South China,but the chronology of this fauna has many controversies for the lack of exact locational and stratigraphical records.The present article,on the basis of recent investigations and discoveries,discusses and explains the distribution and biochronology of the mammalian faunas in the Yanjinggou area.The newly discovered Dayakou fissure fauna,including Rhizomys troglodytes,Homotherium sp.,Panthera pardus,Stegodon orientalis,Dicerorhinus sumatrensis,Hesperotherium sinense,Sus sp.,Cervavitus fenqii,Cervus sp.and Muntiacus sp.,is correlated to the middle Early Pleistocene.The presence of Early Pleistocene mammalian fauna in the Yanjinggou area is therefore confirmed.The"Wanhsien fauna"or"Yenchingkou(=Yanjinggou)fauna"as a Mid-Late Pleistocene biostratigraphical datum should be abandoned.The Dayakou fauna and the Upper Cave fauna of Pingba,both in the Yanjinggou area,are correlated to the middle Early Pleistocene and the early Middle Pleistocene in age,respectively.
