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Pachydiscus Zittel 1884 from: Ward, P.D..Kennedy, W.J.. (1993): Maastrichtian Ammonites from the Biscay Region (France, Spain) . Memoir (The Paleontological Society), Journal of Paleontology34 (Supplement to Vol. 67)(5) p. 1-58
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Anonymous: Unedited TaxonConcept data
Notice: This catalogue page may contain unedited data.

Subgenus Pachydiscus Zittel 1884


Discussion / Comments:
Cobban & Kennedy (1995):
[for synonymy see Kennedy, 1986a, page 34] TYPE SPECIES.- Ammonites neubergicus Hauer, 1858, page 12, plate 2, figures 1-3, plate 3, figures 1, 2, by the subsequent designation of de Grossouvre, 1894, page 177.
Systematics:

38
 Ordo Ammonoidea
  Subordo Ammonitina
   Superfamilia Desmocerataceae
    Familia Pachydiscidae
     Genus Pachydiscus
      Subgenus Pachydiscus

40
  Ordo Ammonoidea
   Subordo Ammonitina
    Superfamilia Desmocerataceae
     Familia Pachydiscidae
      Genus Pachydiscus
       Subgenus Pachydiscus

46
  Ordo Ammonoidea
   Subordo Lytoceratina
    Superfamilia Tetragonitaceae
     Familia Pachydiscidae
      Genus Pachydiscus
       Subgenus Pachydiscus
Synonym list:
Ward & Kennedy (1993):
1900 Parapachydiscus Hyatt. - Hyatt :
1958 Joaquinites Anderson. - Anderson :
References:

Hyatt,A.. (1900):
Cephalopoda.
In: Textbook of Palaeontology Eds: Zittel, v.K.A.. p. 502-604

Anderson,F.M.. (1958):
Upper Cretaceous of the Pacific Coast: , 71, 378 p. . New York, Geological Society of America Memoir Vol. 71 p. 378

Ward,P.D.. and Kennedy,W.J.. (1993):
Maastrichtian Ammonites from the Biscay Region (France, Spain) . Memoir (The Paleontological Society), Journal of Paleontology34 (Supplement to Vol. 67)(5) p. 1-58

Cobban,W.A.. and Kennedy,W.J.. (1995):
Maastrichtian ammonites chiefly from the Prairie Bluff Chalk in Alabama and Mississippi . Journal of Paleontology Vol. 69(5) p. 1-40
Anonymous: Unedited TaxonConcept data
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