Pelycosaurs
Dimetredon limbatus
Sail spine sections
~1 inch long. Nice detail
Ryan Formation, Oklahoma
$15 each similar to shown
Edaphosaurus boanerges
Sail Spine Section......A
~3 inches long
Ryan Formation, Oklahoma
$85
Ophiacodon retroversa
~ 3/8 inch long teeth
Ryan Formation, Oklahoma
$15 each similar to shown
Edaphosaurus boanerges
Sail Spine Section......O
~1.25 inches long
Ryan Formation, Oklahoma
$35
Edaphosaurus boanerges
Sail Spine Section......L
~1.25 inches long
Ryan Formation, Oklahoma
$50
Edaphosaurus boanerges
Sail Spine Section......N
~1.25 inches long
Ryan Formation, Oklahoma
$45
Edaphosaurus boanerges
Sail Spine Section......K
~1.25 inches long
Ryan Formation, Oklahoma
$60
Edaphosaurus boanerges
Sail Spine Section......J
~1.25 inches long
Ryan Formation, Oklahoma
$60
Edaphosaurus boanerges
Sail Spine Section......I
~2.25 inches long
Ryan Formation, Oklahoma
$85
Edaphosaurus boanerges
Sail Spine Section......D
~2.5 inches long
Ryan Formation, Oklahoma
$60
Edaphosaurus boanerges
Sail Spine Section......C
~3.25 inches long
Ryan Formation, Oklahoma
$60
Edaphosaurus boanerges
Sail Spine Section......B
~1.75 inches long
Ryan Formation, Oklahoma
$75
Edaphosaurus boanerges
Sail Spine Section......G
~1.00 inches long
Ryan Formation, Oklahoma
$45
Edaphosaurus boanerges
Sail Spine Section......H
~1.25 inches long
Ryan Formation, Oklahoma
$35
Edaphosaurus boanerges
Sail Spine Section......E
~1.00 inches long
Ryan Formation, Oklahoma
$45
Edaphosaurus boanerges
Sail Spine Section......F
~1.25 inches long
Ryan Formation, Oklahoma
$45
Edaphosaurus boanerges
Sail Spine Section......M
~1.00 inches long
Ryan Formation, Oklahoma
$40