-
pseudosemiglaber and
Scaliognathus anchoralis. The
origin and
evolution of the
middle Dinantian conodont genera Doliognathus, Dollymae,
Scaliognathus, and Staurognathus...
-
eight conodont biozones: the zone of
Gnathodus pseudosemiglaber and
Scaliognathus anchoralis the zone of
Gnathodus semiglaber and
Polygnathus communis...
-
evolution of the
middle Dinantian conodont genera Doliognathus, Dollymae,
Scaliognathus, and Staurognathus, and
related forms.
Ronald L.
Austin and Eric Groessens...
-
defined by
Gnathodus species: the zone of
Gnathodus pseudosemiglaber and
Scaliognathus anchoralis the zone of
Gnathodus semiglaber and
Polygnathus communis...
- †Pseudopolygnathus †Pteracontiodus †Pterospathodus †Pygodus †Rossodus †Scabbardella †
Scaliognathus †Scolopodus †Scotlandia †Scyphiodus †Siphonodella †Spathognathodus †Spinodus...
- by a
Polygnathus species: the zone of
Gnathodus pseudosemiglaber and
Scaliognathus anchoralis the zone of
Gnathodus semiglaber and
Polygnathus communis...
-
eight conodont biozones: the zone of
Gnathodus pseudosemiglaber and
Scaliognathus anchoralis the zone of
Gnathodus semiglaber and
Polygnathus communis...
- Branson, he
described the
conodont genera Bactrognathus, Doliognathus,
Scaliognathus and Staurognathus. In 1944, he
described with
Branson the
conodont genus...
- from the
earliest Carboniferous of the
Czech Republic (Tournaisian,
Scaliognathus anchoralis-conodont zone,
Brezina Formation, near
Mokra village) and...
-
evolution of the
middle Dinantian conodont genera Doliognathus, Dollymae,
Scaliognathus, and Staurognathus, and
related forms.
Ronald L.
Austin and Eric Groessens...
