-
Devonian some 390
million years ago (around
Eifelian stage).
Goniatites (
goniatitids)
survived the Late
Devonian extinction to
flourish during the Carboniferous...
-
Tornoceratidae is a
family of
goniatitid ammonoids from the
middle and
upper Devonian. The
family is
included in the
suborder Tornoceratina and the superfamily...
- Devonian–Carboniferous
boundary to the
Early Tri****ic.
Although not as
diverse as
their goniatitid contemporaries, the
Prolecanitida provided the
stock from
which all later...
-
Anthracoceras is the type
genus of the
goniatitid ammonoid family Anthracoceratidae whose species are
found Mississippian-aged
limestones in Eurasia, North...
- (Upper
Mississippian -
Upper Pennsylvanian) Ammonoidea, a
member of the
goniatitid family Bisatoceratidae.
Bisatoceras was
named by
Miller and Owen in 1937...
-
Armatites is an
Upper Devonian goniatitid included in the
tornoceratid family. The s****, or conch, is discoidal, with
flattened flanks, a
flattened venter...
-
middle and
upper Devonian ammonoid cephalopods currently included in the
goniatitid suborder Tornoceratina and
superfamily Dimeroceratoidea, but previously...
-
Beyrichoceras is a
genus belonging to the
goniatitid family Muensteroceratidae, a
group of ammonoids,
extinct s****ed
cephalopods related to belemnites...
-
Branneroceras is a
goniatitid genus from the Late
Carboniferous (Middle -Late Pennsylvanian).
Their fossils have been
found in Nunavut, Canada, and in...
-
Gastrioceras is a
goniatitid genus in the
family Gastrioceratidae that
lived during the late
Carboniferous (Pennsylvanian and for most of the Permian....
