When.com Web Search

  1. Ads

    related to: large ammonites for sale

Search results

  1. Results From The WOW.Com Content Network
  2. List of ammonite genera - Wikipedia

    en.wikipedia.org/wiki/List_of_ammonite_genera

    This list of ammonites is a comprehensive listing of genera that are included in the subclass †Ammonoidea, excluding purely vernacular terms. The list includes genera that are commonly accepted as valid, as well as those that may be invalid or doubtful ( nomina dubia ), or were not formally published ( nomina nuda ), as well as junior ...

  3. Parapuzosia - Wikipedia

    en.wikipedia.org/wiki/Parapuzosia

    Parapuzosia is an extinct genus of desmoceratid ammonites from the Cenomanian to the Campanian of Africa, Europe, and North America. [2] They are typically very large ammonites, reaching diameters of 60 cm (2.0 ft) or more, with the largest species measuring around 2 m (6.6 ft). [3]

  4. Ammonoidea - Wikipedia

    en.wikipedia.org/wiki/Ammonoidea

    Still, sufficient numbers have been found closing the apertures of fossil ammonite shells as to leave no doubt as to their identity as part of the anatomy of an ammonite. Large numbers of detached aptychi occur in certain beds of rock (such as those from the Mesozoic in the Alps). These rocks are usually accumulated at great depths.

  5. Parapuzosia seppenradensis - Wikipedia

    en.wikipedia.org/wiki/Parapuzosia_seppenradensis

    Parapuzosia seppenradensis is the largest known species of ammonite. [1] It lived during the Lower Campanian Epoch of the Late Cretaceous period, in marine environments in what is now Westphalia, Germany. A specimen, found in Seppenrade near Lüdinghausen, Germany in 1895 measures 1.8 m (5.9 ft) in diameter, although the living chamber is ...

  6. Arietites - Wikipedia

    en.wikipedia.org/wiki/Arietites

    Arietites bucklandi fossil at the Geological Museum in Copenhagen. Arietites is a genus of massive, giant evolute, psiloceratacean ammonites in the family Arietitidae in which whorls are subquadrate and transversely ribbed and low keels in triplicate, separated by a pair of longitudinal grooves, run along the venter.

  7. Dactylioceras - Wikipedia

    en.wikipedia.org/wiki/Dactylioceras

    Dactylioceras was a widespread genus of ammonites from the Lower Jurassic period, [1] approximately 180 million years ago . [2] and Like many other ammonites, the genus Dactylioceras is extremely important in biostratigraphy, being a key index fossil for identifying their region of the Jurassic. It had a nearly cosmopolitan distribution during ...