Mars Lander "Phoenix" in it's first week in the Arctic Plain of Mars
created on 5-30-08
Sigillaria brardii
created on 5-15-08
Sphenophyllum
created on 3-11-08
Shale cast of Calamites
created on 3-11-08
Sandstone cast of Calamites
created on 3-11-08
Alethopteris
created on 3-11-08
Neuropteris with Cyclopteris
created on 02-18-07
Calamites
created on 01-27-07
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