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1.	132 Kb color jpeg, 72 dpi, 388 x 593 px 800 Kb color jpeg, 200 dpi, 1077 x 1648 px 4.5 Mb color tiff, 300 dpi, 5.4" x 8.2" Reconstruction of Sinodelphys szalayi on plain background. Illustration: Mark A. Klingler/CMNH

2.	221 Kb color jpeg, 72 dpi, 388 x 593 px 1.5 Mb color jpeg, 200 dpi, 1077 x 1648 px 9.9 Mb color tiff, 300 dpi, 5.4" x 8.2" Reconstruction of Sinodelphys szalayi as an agile climber. The blue background indicates that the nocturnal animal was active around dawn and dusk. This mammal was about 15 cm (six inches) long and weiged about 30 grams (one ounce). Illustration: Mark A. Klingler/CMNH

3.	235 Kb color jpeg, 72 dpi, 504 x 335 px 1.7 Mb color jpeg, 200 dpi, 1400 x 931 px 10 Mb color tiff, 300 dpi, 7" x 4.6" Fossil of Sinodelphys szalayi (type specimen, Chinese Academy of Geological Sciences CAGS00-IG03). Photo: Z.-X. Luo/CMNH

4.	113 Kb color jpeg, 72 dpi, 294 x 480 px 923 Kb color jpeg, 200 dpi, 816 x 1333 px 5.6 Mb color tiff, 300 dpi, 4" x 6.6" Drs. Zhe-Xi Luo and John R. Wible of Carnegie Museum of Natural History (Pittsburgh), two of the scientists who studied the fossil of the earliest marsupial relative Sinodelphys. Other members of the China-US scientific team that studied Sinodelphys are Professor Qiang Ji (Nanjing University and Chinese Academy of Geological Science) and graduate student Cong-Xi Yuan (China University of Geosciences). Photo: Mark A. Klingler/CMNH

5.	148 Kb color jpeg, 72 dpi, 432 x 308 px 1 Mb color jpeg, 200 dpi, 1200 x 855 px 5.2 Mb color tiff, 300 dpi, 6" x 4.2" The fossil site of Sinodelphys. The fossil of Sinodelphys was discovered in the Yixian Formation (dated to be 125 million years old), in the Lingyuan county of Liaoning Province of China. The site is about 200 kilometers northeast of Beijing. Illustration: Mark A. Klingler/CMNH

6.	177 Kb color jpeg, 72 dpi, 547 x 406 px 1Mb color jpeg, 200 dpi, 1519 x 1127 px 8.7 Mb color tiff, 400 dpi, 7.5" x 5.6" Science manuscript fig. 1

7.	96 Kb color jpeg, 72 dpi, 451 x 386 px 444 Kb color jpeg, 200 dpi, 1252 x 1072 px 717 Kb color tiff, 300 dpi, 6.2" x 5.3" Science manuscript fig. 2

8.	93 Kb color jpeg, 72 dpi, 343 x 544 px 488 Kb color jpeg, 200 dpi, 952 x 1512 px 570 Kb color tiff, 300 dpi, 4.7" x 7.5" Science manuscript fig. 3

9.	186 Kb color jpeg, 72 dpi, 525 x 662 px 911 Kb color jpeg, 200 dpi, 1457 x 1840 px 2 Mb color tiff, 300 dpi, 7.2" x 9.2" Science manuscript fig. 4

10.	154 Kb color jpeg, 72 dpi, 740 x 576 px 720 Kb color jpeg, 200 dpi, 2055 x 1600 px 717 Kb color tiff, 300 dpi, 10" x 8" Sinodelphys' position in the mammalian family tree. Sinodelphys represents the basal-most branch of the marsupial evolutionary lineage. Illustration: Mark A. Klingler/CMNH

11.	75 Kb color jpeg, 72 dpi, 645 x 393 px 331 Kb color jpeg, 200 dpi, 1792 x 1092 px 547 Kb color tiff, 300 dpi, 8.9" x 5.4" Evolutionary relationship (cladogram) of Sinodelphys. Sinodelphys is the earliest-known fossil relative to modern marsupials. Characteristics of its fossilized skeleton show that it is more closely related to modern marsupials than to modern placentals. Illustration: Z.-X. Luo, Mark A. Klingler/CMNH