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mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Sycad ffosil

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Crocodeil modern

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Côn Pinwydden Chile ffosil

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Côn Pinwydden Chile byw

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Gwas y neidr byw

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

ôl troed Tyrannosaurus

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Model maint llawn o'r Deinosor Cymreig Newydd...

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Esgyrn y Deinosor Cymreig Newydd Dracoraptor...

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Sycad byw

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Dannedd crocodeil ffosil

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Gwas y neidr ffosil

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Amonit ffosil

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Ail-gread o amonit

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Crafanc Tyrannosaurus rex

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Crafanc Velociraptor

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Crafanc Hadrosaur

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Crafanc bawd Igwanodon

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Diagram o sgerbwd Dracoraptor

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Dant Albertosaurus

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Dant Igwanodon

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Dant Tyrannosaurus rex

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Arwyn yr Anturiwr

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Fossil crinoid

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Fossil brachiopod

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Rugose coral

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Fossil tree root

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Seed fern fossil

mewngofnodi i gadw'r eitem hon A vector image of a star to represent action to save this item

Slate sample