Description of the lectotype of Ammonites deverianus d'Orbigny, 1841 (Cretaceous, Ammonoidea)
Ammonites deverianus d'Orbigny, 1841, is the type species of Romaniceras Spath, 1923, and an important Turonian marker fossil, originally described from Uchaux (Vaucluse). A syntype in the Requien's collection, housed in the Musee Requien (Avignon) is shown to be the basis of d'Orbign...
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| Materialtyp: | Journal article |
| Språk: | English |
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1991
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