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Heliobatis is an extinct genus of ray in the Myliobatiformes family Dasyatidae.[1] Heliobatis lived during the Early Eocene period and was discovered in the Green River Formation in south-west Wyoming.

Specimens of Heliobatis range between eight and ninety centimetres,‭ ‬although the average is between thirty and forty centimetres.‭ ‬Half of the total body length of Heliobatis is taken up by the tail.‭ ‬The tail of Heliobatis has up to three modified denticles that form barbs‭, but no one can say for certain how toxic these barbs could have been. This is because information like that is not preserved by the fossilisation process.

Heliobatis had small, triangular teeth that alluded to a diet that included crustaceans such as crayfish and shrimp. [2] This is also supported by the abundance of Heliobatis fossils found in association with their prey items.

In The Land Before Time

While Heliobatis doesn't formally appear in the Land Before Time franchise, it does appear in one of the minigames of The Land Before Time Animated Moviebook.

Gallery

References

  1. Grande, Lance (1984), "Paleontology of the Green River Formation, with a review of the fish fauna", Bulletin of the Wyoming State Geological Survey, Laramie, WY, 63 2nd ed.
  2. Grande, Lance (1984), "Paleontology of the Green River Formation, with a review of the fish fauna", Bulletin of the Wyoming State Geological Survey, Laramie, WY, 63 2nd ed.

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