Ammonite

Ammonites are an extinct group of marine Molluscs of the class. Their widely-known fossils show a ribbed spiral-form shell, in the end compartment of which lived the tentacled animal. These creatures lived in the seas from at least 400 to 65 million years ago. These molluscs are closely related to octopuses, squid, and cuttlefish. Ammonites varied in size from centimeters to 2 meters () in diameter.

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Story
A fossil Ammonite was in the museum of the Marine Facility of Jurassic Park.
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Jurassic Park III: Park Builder
The genus  is one of the animals that can be created in Jurassic Park III: Park Builder.

Jurassic Park: Builder
see Ammonite/Builder

A large Ammonite (The most likely species the in-game Ammonite belongs to is Parapuzosia seppenradensis, which had a shell almost 6 feet (2 meters) in diameter.﻿) is the second aquatic animal available upon completion of the missions following the Dunkleosteus.

LEGO Jurassic World
In the level "The Bird Cage", an Ammonite must be built to unlock a bonebox.

Jurassic World: The Game
see Ammonite/JW: TG

In Jurassic World: The Game, an large Ammonite (The most likely species the in-game Ammonite belongs to is Parapuzosia seppenradensis, which had a shell almost 6 feet (2 meters) in diameter.﻿) appears as a legendary cave creature in the aquatic park.