Two Lower Tournaisian sections of the Montagne Noire (Southern France) yielded for the
  first time moderately diverse goniatite faunas.  Apart from Stockumites, ?Hasselbachia, "Mimimi-
  toceras", the "Gattendorfia" molaris-Group, Globimitoceras, Paragattendorfia, Eocanites and
  Paralytoceras, they include Bartzschiceras mirandum n. gen. n. sp.  It probably comes from the
  Paragattendorfia patens Zone and closely resembles the contemporaneous Karagandoceras? sp.
  n. 1 BARTZSCH & WEYER (1988b) from Thuringia which previously was regarded as the oldest
  member of the rare and poorly known Karagandoceratidae.  The new French species, however,
  surprisingly shows evolute early whorls.  Together with various other and somewhat older goniatites
  from Germany, which were previously included in Voehringerites, it documents an unexpected
  large morphological md evolutionary complexity in basal Carboniferous oxyconic taxa.  The age
  and phylogenetic relationships of the Karagandoceratidae are discussed.