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Article: A long-bodied lizard from the Lower Cretaceous of Japan

Publication: Palaeontology
Volume: 49
Part: 6
Publication Date: November 2006
Page(s): 1143 1165
Author(s): Susan E. Evans, Makoto Manabe, Miyuki Noro, Shinji Isaji and Mikiko Yamaguchi
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How to Cite

EVANS, S. E., MANABE, M., NORO, M., ISAJI, S., YAMAGUCHI, M. 2006. A long-bodied lizard from the Lower Cretaceous of Japan. Palaeontology49, 6, 1143–1165.

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Platynotan lizards underwent a dramatic Late Cretaceous radiation into marine habitats. Beginning with small-bodied forms, the lineage culminated with the mosasaurs, large predatory lizards with a world-wide distribution in the Santonian-Campanian. Moreover, the marine squamate radiations of the Cenomanian-Turonian are remarkable in having produced a range of long-bodied, reduced-limbed swimmers (dolichosaurs, adriosaurs, coniasaurs and limbed snakes) that seem to have thrived in the shallow coastal environments of the Western Tethys region. Until now, none of these long-bodied aquatic squamates has been recorded prior to the Cenomanian, none has been recovered from a non-marine locality and none is known from Asia. Here we describe a small, gracile, long-bodied mosasauroid lizard from a swampy continental deposit in the Lower Cretaceous of Japan.
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