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A refugium for relicts?

Makoto Manabe, Paul M. Barrett () and Shinji Isaji
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Makoto Manabe: National Science Museum
Paul M. Barrett: University of Oxford
Shinji Isaji: Chiba Prefectural Museum of Natural History

Nature, 2000, vol. 404, issue 6781, 953-953

Abstract: Abstract Luo1 suggests that the vertebrate fauna from the Yixian Formation (Liaoning Province, China) shows that this region of eastern Asia was a refugium, in which several typically Late Jurassic lineages (compsognathid theropod dinosaurs, ‘rhamphorhynchoid’ pterosaurs, primitive mammals) survived into the Early Cretaceous1 (Fig. 1). Data from slightly older sediments in the Japanese Early Cretaceous, however, suggest that the faunal composition of this region can only be partly explained by the concept of a refugium. Figure 1 Stratigraphic ranges of clades that include taxa recovered from the Yixian Formation, China, and the Kuwajima and Itsuki Formations, Japan1,4,9. Data on Camptosaurus and Echinodon are from ref. 13. Arrows, lineage extends beyond the time range shown here; solid bars, first and last occurrences. Al, Albian; Ap, Aptian; Ba, Bathonian; Be, Berriasian; Br, Barremian; Ca, Callovian; Ha, Hauterivian; Ki, Kimmeridgian; Ox, Oxfordian; Ti, Tithonian; Va, Valanginian.

Date: 2000
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DOI: 10.1038/35010199

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