23 cm section of the wood (Callixylon whiteanum) of Archaeopteris, one of the earliest trees. Woodford Shale, Oklahoma, USA. photo

Hajar | all galleries >> Palaeogalleries >> A Brief History of Plants >> Petrified Wood > 23 cm section of the wood (Callixylon whiteanum) of Archaeopteris, one of the earliest trees. Woodford Shale, Oklahoma, USA.

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31-JUL-2009

RS.P1490.

Sony DSLR-A350
1/60s f/2.8 at 105.0mm iso400 full exif

other sizes: small medium large original auto

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