Petter Bøckman

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no-N Denne brukeren behersker norsk (bokmål) på morsmålsnivå. en-3 This user has advanced knowledge of English.
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Hi!

I create files for my own need when making Wikipedia articles. Most of my files are diagrams or derivates of others work.

Diagram gallery

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  Traditional spindle diagram of vertebrate evolution, after Benton 1998
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  Energy output in warm- and cold-blooded animals
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  Comparison of the taxons Reptilia and Sauropsida
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  Traditional Reptilia, superimpsed on a cladogram
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  Cladogram of Vertebrata, with figures rather than names
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  Cladogram of the primates
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  Monophyly, paraphyly and polyphyly
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  Clade and grade
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  The endocranial part of the skull
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  Distribution of the seed-fern Glossopteris on Southern Pangæa
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  Horse harness, Norwegian terms
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  Dacian falx, based on the Adamclisi monument
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  Viking knife, based on finds exhibited at the Jorvik Viking Centre
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  Idealized amniote

Photo gallery

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  Fossil perciform fish from the Messel pit
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  Casts of Omphalosaurus jaws, from my work
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  The Norwegian botanist Chisten Smith
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  The Ordovician - Silurian boundary, Hovedøya
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  Me, from the exhibition Againt Nature?
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  Norwegian Lefaucheux M1858 revolver
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  French artillery short sword
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  Reproduction of a napoleonic era cartridge box with wooden interior and rough leather shell.

Other

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  The four classes of tetrapods
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  The four orders of reptiles
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  Cast of Tiktaalik belgium, cleaned up from File:Tiktaalik belgium.JPG
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  Cast of Ichthyostega skull, cleaned up from File:Ichthyostega - skull.JPG
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  Aeroplane constructor Sidney Camm, photo from 1915
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  The human pedigree, Haeckel, 1874
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  Skink foreleg, showing scales, cleaned up from File:Vm-9917-Katoomba-Hand-of-skink.jpg
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  Tail of a rat, showing scutes, original: File:Rattus_norvegicus-Rochefort.JPG
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  Anapsid, synapsid and diapsid skulls, based on Preto(m)'s figures
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  The Norwegian repeating rifle Krag-Petesson, photo edited from this file by WegianWarrior
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  Two subspecies of the Ensatina salamander that do not interbreed, forming a ring species

Temporary files