From the comparison of the corresponding strata to the skull of the relic Homo erectus which was found in the Calabash cave of Nanjing Tangshan and dated in 350,000 aBP with other cave strata, the region of Tangsh...From the comparison of the corresponding strata to the skull of the relic Homo erectus which was found in the Calabash cave of Nanjing Tangshan and dated in 350,000 aBP with other cave strata, the region of Tangshan is a kind of periglacial environment before middle Pleistocene epoch. During the life span of Nanjing Homo erecturs , it had transformed to warm and humid sub-tropical climate from periglacial climate. The natural environment is similar to present except the individual high mountains.展开更多
The fauna of the Pleistocene Homo-bearing sites of Java has been well known for more than a century.A recent revision of the crocodylian remains confirmed both the validity of Gavialis bengawanicus and the synonymiza-...The fauna of the Pleistocene Homo-bearing sites of Java has been well known for more than a century.A recent revision of the crocodylian remains confirmed both the validity of Gavialis bengawanicus and the synonymiza-tion of Crocodylus ossifragus with C.siamensis.Here we report on a still unpublished crocodylian specimen collected by Eugene Dubois in the latest Early Pleistocene of Kali Gedeh that can be tentatively referred to the genus Crocodylus.The size of the specimen,the approximately 1 m long lower jaw in particular,indicat-ed that this crocodile attained a total length of approximately 6 or 7 m.Along with specimens from the Plio-Pleistocene of Africa,this material provides evidence for gigantism in Crocodylus.It is not clear whether or not the‘temperature-size rule’applies to fossil crocodylians,but due to the growing interest in predicting future temperature-related size changes of the extant organisms,it would be interesting to study in detail the past reac-tion to temperature changes of crocodylians and other terrestrial ectothermic animals.展开更多
文摘From the comparison of the corresponding strata to the skull of the relic Homo erectus which was found in the Calabash cave of Nanjing Tangshan and dated in 350,000 aBP with other cave strata, the region of Tangshan is a kind of periglacial environment before middle Pleistocene epoch. During the life span of Nanjing Homo erecturs , it had transformed to warm and humid sub-tropical climate from periglacial climate. The natural environment is similar to present except the individual high mountains.
基金This research has been supported by Fondi ex-60%Universitàdi Torino(to M.Delfino)by the Ministerio de Economía y Com-petitividad de España(CGL2011-28681 to M.Delfino).
文摘The fauna of the Pleistocene Homo-bearing sites of Java has been well known for more than a century.A recent revision of the crocodylian remains confirmed both the validity of Gavialis bengawanicus and the synonymiza-tion of Crocodylus ossifragus with C.siamensis.Here we report on a still unpublished crocodylian specimen collected by Eugene Dubois in the latest Early Pleistocene of Kali Gedeh that can be tentatively referred to the genus Crocodylus.The size of the specimen,the approximately 1 m long lower jaw in particular,indicat-ed that this crocodile attained a total length of approximately 6 or 7 m.Along with specimens from the Plio-Pleistocene of Africa,this material provides evidence for gigantism in Crocodylus.It is not clear whether or not the‘temperature-size rule’applies to fossil crocodylians,but due to the growing interest in predicting future temperature-related size changes of the extant organisms,it would be interesting to study in detail the past reac-tion to temperature changes of crocodylians and other terrestrial ectothermic animals.
