Meganisoptera is an extinct order of very large to gigantic insects, occasionally called griffinflies. The order was formerly named Protodonata, the "proto-Odonata", for their similar appearance and supposed relation to modern Odonata (damselflies and dragonflies). They range in Palaeozoic (Late Carboniferous to Late Permian) times. wingspans of up to 71 centimetres (28 in)
fossil hunting (only where it's legal) in Montana, North Dakota and Washington. Fun for all ages.
sand-dollar shell fossil - the most beautiful intricate details; notice the similarities to the sea turtle shell
'Mother of Pearl' shell illustrates the Fibonacci sequence, a mathematical sequence discovered in the century. A pattern appears in nature over and over again to the curve of a wave, the spiral of a sea-shell, segments of a pineapple.
Art With Precious And Semi Precious Gemstones
I have one of these Beautiful Opalized Ammonite Fossil
pearl-nautilus: “ Sphenodiscus lenticularis, Fox Hills Formation, South Dakota Late Cretaceous (~ 70 mya) This specimen displays the extraordinarily intricate suture patterns that are characteristic of this species. Also evident is part of the.