Belemnoidea

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Belemnoidea

[‚bə·ləm′nȯid·ē·ə]
(paleontology)
An order of extinct dibranchiate mollusks in the class Cephalopoda.
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(2008): Seawater temperature and carbon isotope variations in belemnites linked to mass extinction during the Toarcian (Early Jurassic) in Central and Northern Spain.
These are a common find in the south of the country but the lady at the museum was puzzled as to how it came to be in our back garden as they have only been found as far North as Yorkshire." Museum experts told Claire, who works with autistic children, and husband Billy, 46, a driver, that their daughter had stumbled on the remains of a sea creature from the Jurassic period, known as a belemnite, which looks like a dart or bullet.
"Hopefully, this work will corroborate the fossils: belemnite guards have been found in the stomach region of ichthyosaurs so it is assumed that they ate them," he added.
Carbon isotope values from shelly material cemented in the blocks range from [delta][sup.13]C = -9.41 to -35.27 [per thousands] PDB (Pee Dee Belemnite) with an algae encrustation or bacterial mat yielding -61.38 [per thousands] PDB.
Both ichthyosaurs and belemnites thrived in coastal waters that covered England during the Jurassic period, 205 to 135 million years ago.
Other marine creatures such as sea lizards, clams and squid-like belemnites also suffered, while on land numerous types of pterosaurs died out.
is as dead now as ammonites and belemnites, as the figures in Victorian photographs" (46).
Mull it over Find traces of Jurassic activity on Carsaig Bay on the Isle of Mull, where rocks on the shore boast fossils of aptly-named devil's toenails SCARY SIGHT Cast of the T-rex at the National Museum of Scotland in Edinburgh (or Gryphaea) and Belemnites (marine molluscs).
Belemnites fossils have been observed at lower most parts of the Formation.
This study is based on the analysis of well-preserved Ox-fordian-Lowermost Kimmeridgian belemnites (Hibolithes and few Belemnopsis) from the Pozo Canada section (External Prebetic, Betic Cordillera, southeastern Spain; Fig.
And while you're hardly likely to stumble across a T-Rex dropping or footprint, small marine fossils - including ammonites, belemnites and bivalves - could easily turn up.