Classic to premium: everything is up to 40% off
Sell your art
Login
Signup
    Top artists
    Redbubble logo
    Artist shop banner image

    Robert O. Clark

    Shop ProductsExplore Designs
    Featured collection

    Swimming with Polycotylids

    Shop all
    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
    $13.85
    $17.31 (20% off)
    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) Sticker
    $2.46
    $2.74 (10% off)
    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) Classic T-Shirt
    $16.49
    $21.99 (25% off)
    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
    $43.49
    $54.37 (20% off)
    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) Sticker
    $2.46
    $2.74 (10% off)
    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) Throw Blanket
    $31.53
    $39.40 (20% off)

    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 Art Print
    $18.51
    $23.14 (20% off)
    Item preview, I'd Rather Be Swimming with Polycotylids designed and sold by Robert O. Clark.
    I'd Rather Be Swimming with Polycotylids Pullover Sweatshirt
    $28.83
    $38.45 (25% off)
    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
    $17.88
    $23.84 (25% off)
    Item preview, Styracosaurus Stroll designed and sold by Robert O. Clark.
    Styracosaurus Stroll Fitted T-Shirt
    $16.60
    $22.13 (25% off)
    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 Sticker
    $2.46
    $2.74 (10% off)
    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 Sticker
    $2.46
    $2.74 (10% off)
    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) Oversized T-Shirt
    $20.63
    $27.50 (25% off)
    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
    $2.46
    $2.74 (10% off)
    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 Sticker
    $2.46
    $2.74 (10% off)
    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 Transparent Sticker
    $2.88
    $3.20 (10% off)
    Item preview, I'd Rather Be Swimming with Sharks designed and sold by Robert O. Clark.
    I'd Rather Be Swimming with Sharks Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Jesus (highlights, background) designed and sold by Robert O. Clark.
    Jesus (highlights, background) Sticker
    $2.46
    $2.74 (10% off)
    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) Photographic Print
    $6.15
    $7.69 (20% off)
    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 Baseball Cap
    $20.15
    $25.19 (20% off)
    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) Oversized T-Shirt
    $20.63
    $27.50 (25% off)
    Item preview, Frankly I'd Rather Swim with Sharks designed and sold by Robert O. Clark.
    Frankly I'd Rather Swim with Sharks Holographic Sticker
    $3.29
    $3.65 (10% off)
    Item preview, Jesus (highlights) designed and sold by Robert O. Clark.
    Jesus (highlights) Glossy Sticker
    $2.63
    $2.93 (10% off)
    Item preview, Jesus designed and sold by Robert O. Clark.
    Jesus Sticker
    $2.46
    $2.74 (10% off)
    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. Art Print
    $18.51
    $23.14 (20% off)
    Item preview, Holiday Blizzards and Terrible Lizards! designed and sold by Robert O. Clark.
    Holiday Blizzards and Terrible Lizards! Throw Pillow
    $16.06
    $21.41 (25% off)
    Item preview, Christmas T. rex designed and sold by Robert O. Clark.
    Christmas T. rex Classic T-Shirt
    $16.49
    $21.99 (25% off)
    Item preview, Cretaceous Moon designed and sold by Robert O. Clark.
    Cretaceous Moon Classic T-Shirt
    $16.49
    $21.99 (25% off)
    Item preview, Jackalope Silhouette designed and sold by Robert O. Clark.
    Jackalope Silhouette Throw Blanket
    $31.53
    $39.40 (20% off)
    Item preview, White-Tailed Buck Silhouette designed and sold by Robert O. Clark.
    White-Tailed Buck Silhouette Tapestry
    $39.26
    $49.07 (20% off)
    Item preview, Triceratops Silhouette designed and sold by Robert O. Clark.
    Triceratops Silhouette Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Ornithomimus Mommy and Chick designed and sold by Robert O. Clark.
    Ornithomimus Mommy and Chick Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Pteranodon by Night designed and sold by Robert O. Clark.
    Pteranodon by Night Canvas Print
    $43.49
    $54.37 (20% off)
    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) Poster
    $13.30
    $16.62 (20% off)
    Item preview, Blue Star Sky designed and sold by Robert O. Clark.
    Blue Star Sky Coasters (Set of 4)
    $14.12
    $16.62 (15% off)
    Item preview, Blue Star Sky Reversed designed and sold by Robert O. Clark.
    Blue Star Sky Reversed Spiral Notebook
    $11.86
    $13.95 (15% off)
    Item preview, I'd Rather Be Swimming with Spinosaurus designed and sold by Robert O. Clark.
    I'd Rather Be Swimming with Spinosaurus Samsung Galaxy Soft Case
    $18.90
    $25.20 (25% off)
    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) Lightweight Sweatshirt
    $25.40
    $42.34 (40% off)
    Item preview, Spinosaurus Silhouette with Diver designed and sold by Robert O. Clark.
    Spinosaurus Silhouette with Diver Tank Top
    $17.71
    $22.13 (20% off)
    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) Pullover Sweatshirt
    $28.83
    $38.45 (25% off)
    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) Classic T-Shirt
    $16.49
    $21.99 (25% off)
    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) Poster
    $13.30
    $16.62 (20% off)
    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) Classic T-Shirt
    $16.49
    $21.99 (25% off)
    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) Relaxed Fit T-Shirt
    $18.40
    $24.53 (25% off)
    Item preview, Jackalope Retro Surf Design (no words) designed and sold by Robert O. Clark.
    Jackalope Retro Surf Design (no words) Throw Pillow
    $16.06
    $21.41 (25% off)
    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) Classic T-Shirt
    $16.49
    $21.99 (25% off)
    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) Magnet
    $5.50
    $7.33 (25% off)
    Item preview, Rugged Wooden Wall designed and sold by Robert O. Clark.
    Rugged Wooden Wall Shower Curtain
    $57.84
    $68.05 (15% off)
    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
    $16.49
    $21.99 (25% off)
    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) iPhone Tough Case
    $24.83
    $33.10 (25% off)
    Item preview, Remember the Titanosaurs designed and sold by Robert O. Clark.
    Remember the Titanosaurs Photographic Print
    $6.15
    $7.69 (20% off)
    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) Classic T-Shirt
    $16.49
    $21.99 (25% off)
    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) Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Jackalope Retro Surf Design (black letters) designed and sold by Robert O. Clark.
    Jackalope Retro Surf Design (black letters) Classic T-Shirt
    $16.49
    $21.99 (25% off)
    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) Classic T-Shirt
    $16.49
    $21.99 (25% off)
    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 Sticker
    $2.46
    $2.74 (10% off)
    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 Poster
    $13.30
    $16.62 (20% off)
    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 Essential T-Shirt
    $16.49
    $21.99 (25% off)
    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 Poster
    $13.30
    $16.62 (20% off)
    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) Baseball ¾ Sleeve T-Shirt
    $19.89
    $26.51 (25% off)
    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