-
Devonian some 390
million years ago (around
Eifelian stage).
Goniatites (
goniatitids)
survived the Late
Devonian extinction to
flourish during the Carboniferous...
-
dominant goniatitids.
Prolecanitid genera averaged 14.7
million years in duration, as
compared to 5.7
million years for
Upper Carboniferous goniatitids. Suture...
- Cyclolobidae:
Goniatitid Ammonoidea belonging to the
Cycloloboidea with
thickly discoidal to
subglobular s**** with a
small but open
umbilicus and ammonitic...
- and the
superfamily Tornoceratoidea.
Tornoceratids are
subdiscoidal goniatitids with
biconvex growth lines and
sutures that form 6 to 10 lobes, the ventral...
- is
included in the Orulganitidae, a
family in the Schistoceratacea, a
goniatitid superfamily. Aldanites-Paleodb Saunders, Work, and
Nikolaeva 1999. Evolution...
-
Planitornoceras is a
genus included in the
goniatitid subfamily Aulatornoceratinae that
lived during the
Famennian stage at the end of the Devonian. Its...
- was
named by
Backer in 2002 and is the
latest genus to be
added to the
goniatitid subfamily Falcitornoceratinae.
Falcitornoceratinae in
Paleobiology Database...
-
Armatites is an
Upper Devonian goniatitid included in the
tornoceratid family. The s****, or conch, is discoidal, with
flattened flanks, a
flattened venter...
-
Alaoceras is an
ammonoid cephalopod from the
upper Paleozoic included in the
goniatitid family Cravenoceratidae,
named by
Ruzhentsev &
Bogoslovskaya in 1971....
- an
ammonoid cephalopod genus from the
Upper Devonian belonging to the
goniatitid family Prionoceratidae.
Balvia has a small,
lenticular to subglobular...
