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    Robert O. Clark

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    Swimming with Polycotylids

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    Item preview, I'd Rather Be Swimming with Polycotylids designed and sold by Robert O. Clark.
    I'd Rather Be Swimming with Polycotylids Transparent Sticker
    From $1.96
    Item preview, Swimming with Polycotylids Retro Surf Design (white ring, distressed) designed and sold by Robert O. Clark.
    Swimming with Polycotylids Retro Surf Design (white ring, distressed) Poster
    $19.79
    Item preview, Swimming with Polycotylids Retro Surf Design (white ring) designed and sold by Robert O. Clark.
    Swimming with Polycotylids Retro Surf Design (white ring) Zipped Hoodie
    $43.99
    Item preview, Swimming with Polycotylids Retro Surf Design (blue letters) designed and sold by Robert O. Clark.
    Swimming with Polycotylids Retro Surf Design (blue letters) Magnet
    $7.69
    Item preview, Swimming with Polycotylids Retro Surf Design (no letters, distressed) designed and sold by Robert O. Clark.
    Swimming with Polycotylids Retro Surf Design (no letters, distressed) Essential T-Shirt
    From $18.69
    Item preview, Swimming with Polycotylids Retro Surf Design (blue letters, distressed) designed and sold by Robert O. Clark.
    Swimming with Polycotylids Retro Surf Design (blue letters, distressed) Acrylic Block
    From $21.50

    Collections

    13 collections

    Life Abundant

    Cabin in the Woods

    Discontented Dreaming

    A Cretaceous Christmas

    Swimming with Polycotylids

    Swimming with T. rex

    Play Stupid Games, Win Stupid Prizes

    Shop

    54 items
    54 items
    Item preview, Nemegtosaurus mongoliensis designed and sold by Robert O. Clark.
    Nemegtosaurus mongoliensis Extra Soft T-Shirt
    $27.49
    Item preview, I'd Rather Be Swimming with Polycotylids designed and sold by Robert O. Clark.
    I'd Rather Be Swimming with Polycotylids Tall Mug
    From $14.73
    Item preview, Swimming with Polycotylids Retro Surf Design (white ring, distressed) designed and sold by Robert O. Clark.
    Swimming with Polycotylids Retro Surf Design (white ring, distressed) Relaxed T-Shirt
    $24.19
    Item preview, Styracosaurus Stroll designed and sold by Robert O. Clark.
    Styracosaurus Stroll Poster
    $19.79
    Item preview, Living on the Edge Since 1984 Retro Surf Design designed and sold by Robert O. Clark.
    Living on the Edge Since 1984 Retro Surf Design Poster
    $19.79
    Item preview, Living on the Edge Since 1983 Retro Surf Design designed and sold by Robert O. Clark.
    Living on the Edge Since 1983 Retro Surf Design Classic T-Shirt
    From $18.69
    Item preview, Play Stupid Games Win Stupid Prizes Retro Surf Design (white ring) designed and sold by Robert O. Clark.
    Play Stupid Games Win Stupid Prizes Retro Surf Design (white ring) Classic Mug
    From $12.09
    Item preview, Living on the Edge Since 1986 Retro Surf Design designed and sold by Robert O. Clark.
    Living on the Edge Since 1986 Retro Surf Design Sticker
    From $1.74
    Item preview, Living on the Edge Since 1985 Retro Surf Design designed and sold by Robert O. Clark.
    Living on the Edge Since 1985 Retro Surf Design Oversized T-Shirt
    From $23.37
    Item preview, Tempting Fate Courageously Since the 20th Century Retro Surf Design designed and sold by Robert O. Clark.
    Tempting Fate Courageously Since the 20th Century Retro Surf Design Classic T-Shirt
    From $18.69
    Item preview, I'd Rather Be Swimming with Sharks designed and sold by Robert O. Clark.
    I'd Rather Be Swimming with Sharks Classic T-Shirt
    From $18.69
    Item preview, Jesus (highlights, background) designed and sold by Robert O. Clark.
    Jesus (highlights, background) Sticker
    From $1.74
    Item preview, Swimming with Polycotylids Retro Surf Design (white ring) designed and sold by Robert O. Clark.
    Swimming with Polycotylids Retro Surf Design (white ring) Poster
    $19.79
    Item preview, I'd Rather Be Swimming with T. rex designed and sold by Robert O. Clark.
    I'd Rather Be Swimming with T. rex Holographic Sticker
    From $2.15
    Item preview, Swimming with Polycotylids Retro Surf Design (blue letters) designed and sold by Robert O. Clark.
    Swimming with Polycotylids Retro Surf Design (blue letters) Canvas Print
    $61.59
    Item preview, Frankly I'd Rather Swim with Sharks designed and sold by Robert O. Clark.
    Frankly I'd Rather Swim with Sharks Classic T-Shirt
    From $18.69
    Item preview, Jesus (highlights) designed and sold by Robert O. Clark.
    Jesus (highlights) Pin
    $3.85
    Item preview, Jesus designed and sold by Robert O. Clark.
    Jesus Classic Mug
    From $12.09
    Item preview, Jesus, our Messiah, holds forever those He loves. designed and sold by Robert O. Clark.
    Jesus, our Messiah, holds forever those He loves. Essential T-Shirt
    From $18.69
    Item preview, Holiday Blizzards and Terrible Lizards! designed and sold by Robert O. Clark.
    Holiday Blizzards and Terrible Lizards! Sticker
    From $1.74
    Item preview, Christmas T. rex designed and sold by Robert O. Clark.
    Christmas T. rex Sticker
    From $1.74
    Item preview, Cretaceous Moon designed and sold by Robert O. Clark.
    Cretaceous Moon Poster
    $19.79
    Item preview, Jackalope Silhouette designed and sold by Robert O. Clark.
    Jackalope Silhouette Postcard
    From $1.73
    Item preview, White-Tailed Buck Silhouette designed and sold by Robert O. Clark.
    White-Tailed Buck Silhouette Sticker
    From $1.74
    Item preview, Triceratops Silhouette designed and sold by Robert O. Clark.
    Triceratops Silhouette Poster
    $19.79
    Item preview, Ornithomimus Mommy and Chick designed and sold by Robert O. Clark.
    Ornithomimus Mommy and Chick Classic Mug
    From $12.09
    Item preview, Pteranodon by Night designed and sold by Robert O. Clark.
    Pteranodon by Night Classic T-Shirt
    From $18.69
    Item preview, Swimming with Tyrannosaurus rex Retro Surf Design (orange ring) designed and sold by Robert O. Clark.
    Swimming with Tyrannosaurus rex Retro Surf Design (orange ring) Classic T-Shirt
    From $18.69
    Item preview, Blue Star Sky designed and sold by Robert O. Clark.
    Blue Star Sky Acrylic Block
    From $21.50
    Item preview, Blue Star Sky Reversed designed and sold by Robert O. Clark.
    Blue Star Sky Reversed Hardcover Journal
    From $19.63
    Item preview, I'd Rather Be Swimming with Spinosaurus designed and sold by Robert O. Clark.
    I'd Rather Be Swimming with Spinosaurus Sticker
    From $1.74
    Item preview, Swimming with Spinosaurus Retro Surf Design (black letters) designed and sold by Robert O. Clark.
    Swimming with Spinosaurus Retro Surf Design (black letters) Classic T-Shirt
    From $18.69
    Item preview, Spinosaurus Silhouette with Diver designed and sold by Robert O. Clark.
    Spinosaurus Silhouette with Diver Boxy T-Shirt
    $27.49
    Item preview, Swimming with Dinosaurs Retro Surf Design (black letters) designed and sold by Robert O. Clark.
    Swimming with Dinosaurs Retro Surf Design (black letters) Classic T-Shirt
    From $18.69
    Item preview, Swimming with Spinosaurus Retro Surf Design (blue letters) designed and sold by Robert O. Clark.
    Swimming with Spinosaurus Retro Surf Design (blue letters) Photographic Print
    $11.10
    Item preview, Swimming with Dinosaurs Retro Surf Design (white ring) designed and sold by Robert O. Clark.
    Swimming with Dinosaurs Retro Surf Design (white ring) V-Neck T-Shirt
    $25.29
    Item preview, Swimming with Dinosaurs Retro Surf Design (orange ring) designed and sold by Robert O. Clark.
    Swimming with Dinosaurs Retro Surf Design (orange ring) Canvas Print
    $61.59
    Item preview, Swimming with Spinosaurus Retro Surf Design (orange circle) designed and sold by Robert O. Clark.
    Swimming with Spinosaurus Retro Surf Design (orange circle) Sticker
    From $1.74
    Item preview, Jackalope Retro Surf Design (no words) designed and sold by Robert O. Clark.
    Jackalope Retro Surf Design (no words) Photographic Print
    $11.10
    Item preview, Swimming with Tyrannosaurus rex Retro Surf Design (black letters) designed and sold by Robert O. Clark.
    Swimming with Tyrannosaurus rex Retro Surf Design (black letters) Fitted V-Neck T-Shirt
    $25.29
    Item preview, Swimming with Tyrannosaurus rex Retro Surf Design (blue letters) designed and sold by Robert O. Clark.
    Swimming with Tyrannosaurus rex Retro Surf Design (blue letters) Sticker
    From $1.74
    Item preview, Rugged Wooden Wall designed and sold by Robert O. Clark.
    Rugged Wooden Wall Hardcover Journal
    From $19.63
    Item preview, Swimming with Polycotylids Retro Surf Design (no letters, distressed) designed and sold by Robert O. Clark.
    Swimming with Polycotylids Retro Surf Design (no letters, distressed) Classic T-Shirt
    From $18.69
    Item preview, Swimming with Polycotylids Retro Surf Design (blue letters, distressed) designed and sold by Robert O. Clark.
    Swimming with Polycotylids Retro Surf Design (blue letters, distressed) Boxy T-Shirt
    $27.49
    Item preview, Remember the Titanosaurs designed and sold by Robert O. Clark.
    Remember the Titanosaurs Poster
    $19.79
    Item preview, Play Stupid Games Win Stupid Prizes Retro Surf Design (black letters) designed and sold by Robert O. Clark.
    Play Stupid Games Win Stupid Prizes Retro Surf Design (black letters) Fitted T-Shirt
    $21.44
    Item preview, Play Stupid Games Win Stupid Prizes Retro Surf Design (blue letters) designed and sold by Robert O. Clark.
    Play Stupid Games Win Stupid Prizes Retro Surf Design (blue letters) Essential T-Shirt
    From $18.69
    Item preview, Jackalope Retro Surf Design (black letters) designed and sold by Robert O. Clark.
    Jackalope Retro Surf Design (black letters) Baseball Cap
    $25.19
    Item preview, Swimming with Dinosaurs Retro Surf Design (blue letters) designed and sold by Robert O. Clark.
    Swimming with Dinosaurs Retro Surf Design (blue letters) Sticker
    From $1.74
    Item preview, Living on the Edge Since 1987 Retro Surf Design designed and sold by Robert O. Clark.
    Living on the Edge Since 1987 Retro Surf Design Classic T-Shirt
    From $18.69
    Item preview, Living on the Edge Since 1980 Retro Surf Design designed and sold by Robert O. Clark.
    Living on the Edge Since 1980 Retro Surf Design Sticker
    From $1.74
    Item preview, Living on the Edge Since 1981 Retro Surf Design designed and sold by Robert O. Clark.
    Living on the Edge Since 1981 Retro Surf Design Sticker
    From $1.74
    Item preview, Living on the Edge Since 1982 Retro Surf Design designed and sold by Robert O. Clark.
    Living on the Edge Since 1982 Retro Surf Design Classic Mug
    From $12.09
    Item preview, Swimming with Tyrannosaurus rex Retro Surf Design (white ring) designed and sold by Robert O. Clark.
    Swimming with Tyrannosaurus rex Retro Surf Design (white ring) Bucket Hat
    $27.59
    About Robert O. Clark
    • Joined February 2017
    • 54 designs
    5
    Followers
    39
    Following
    97
    Favorited
    Vertebrate paleontologist, artist, biology educator, and plesiosaur aficionado.
    Artist social links