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Belemnite, Iowa - Sold!
Belemnite for sale - Iowa
Belemnoids are an extinct group of marine cephalopod, very similar in many ways to the modern squid. The name "belemnoid" comes from the Greek word "belemnon" meaning "a dart or arrow" and the Greek word eidos meaning "form".
Belemnoids were numerous during the Jurassic and Cretaceous periods, and their fossils are abundant in Mesozoic marine rocks, often accompanying their cousins the ammonites. The belemnoids become extinct at the end of the Cretaceous period along with the ammonites.
Orthoceras and related orthoconic nautiloid cephalopods are often confused with the superficially similar Baculites and related Cretaceous orthoconic ammonoids. Both are long and tubular in form, and both are common items for sale in rock shops (often under each other's names). Both lineages evidently evolved the tubular form independently of one another, and at different times in earth history. Orthoceras lived much earlier (Middle Ordovician) than Baculites (Late Cretaceous) The two types of fossils can be distinguished by many features, most obvious among which is the suture line: simple in Orthoceras, intricately foliated in Baculites and related forms.
Size: 104mm X 35mm X 25mm, Weight: 60.6 grams
Shipped in a display case, with information and authenticity.
Cube not included.
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