-
Ancyrodella is an
extinct genus of
conodonts from the Late Devonian.
During the
Famennian stage of the Late Devonian, a
biologic event occurred (Upper...
- span
formality Formal Lower boundary definition FAD of the
conodont Ancyrodella rotundiloba Lower boundary GSSP Col du
Puech de la Suque,
Montagne Noire...
-
Lower GSSP
ratified 1985
Upper boundary definition FAD of the
Conodont Ancyrodella rotundibola Upper boundary GSSP Col du
Puech de la Suque,
Montagne Noire...
- Polygnathidae. In 1926, with E. O. Ulrich, he
described the
conodont genus Ancyrodella. The
conodont species name
Neognathodus b****leri is a
tribute to RS B****ler...
- †Acanthodus †Acodus †A****inatella †Alternognathus †Amorphognathus †
Ancyrodella †Ancyrognathus †Anticostiodus †Appalachignathus †Arianagnathus †Bactrognathus...
-
Lower GSSP
ratified 1994
Upper boundary definition FAD of the
conodont Ancyrodella rotundiloba Upper boundary GSSP Col du
Puech de la Suque,
Montagne Noire...
-
Playfordia P.
primitiva Gnamptognathus G.?
lipperti G.? cf. G.?
lipperti Ancyrodella A.
rotundiloba alata A.
rotundiloba rotundiloba Icirodus I. symmetricus...
- 1932. In 1926, with Ray S. B****ler, he
described the
conodont genus Ancyrodella, An
extinct species of graptolite,
Climacograptus ulrichi, was named...
- Devonian, a
biologic event occurred (Upper Kellw****er
Extinction of all
Ancyrodella and
Ozarkodina and most Palmatolepis,
Polygnathus and Ancyrognathus)...
- stage, a
biologic event occurred (Upper Kellw****er
Extinction of all
Ancyrodella and
Ozarkodina and most Palmatolepis,
Polygnathus and Ancyrognathus)...
