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Coprolite: A really crappy story by Lori Gesch

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Spiral Coprolite - Heteropolar (Microspiral)

A heteropolar spiral coprolite is considered to be a microspiral if the coils are concentrated within less than half the length of the coprolite. These are generally attributed to sharks, may have been produced by a number of fish with a spiral valve. These included, but are not limited to rays, skates, lungfish, and gars.

Tiny Twirler
(Tiny Spiral Fish Coprolite)

(Spiral Fish Coprolite with Bone Inclusions)
Arthro-pooed?
(Spiral Fish Coprolite with Arthropod Leg Inclusion)
Sooner Spiral
(Spiral Coprolite with Fish Scale Inclusions)
Art Puo-veau Movement
(Spiral Coprolite with Fish Inclusions)

(Spiral Coprolite)
Franken-Stool
(Large Spiral Fish Coprolite with Articulated Vertebrae)

(Flattened Spiral Coprolite)

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Copyright ©2025, Gesch What

    • About the Author
    • Fecal Matters
    • Fossilized Fecal Samples
      • Crap Houses
      • Creature Feature
      • Garden Variety Poop
      • Im-POO-sters!
      • Microscopic Master-feces
      • Movement Medleys
      • Parei-Poolia!
      • Poo-haps?
      • Sphincter Sculptures
      • The Impressionists
    • Reviews
    • Media Kit
      • Questions & Answers
    • Buy the Book!