- The
Armenoceratidae are a
family of
early Paleozoic nautiloid cephalopods belonging to the
order Actinocerida. The
Armenoceratidae,
established by Troedsson...
-
Middle Ordovician, the Actinoceratidae,
Armenoceratidae, and Ormoceratidae. The
Actinoceratidae and
Armenoceratidae are most
likely derived from Wutinoceras...
-
Nybyoceras is an
actinocerid genus ****igned to the
Armenoceratidae and
similar to
Armenoceras except for
having a
siphuncle close to the
ventral side...
- 1964,
Megadisocosorus is a
member of one of the two
branches of the
Armenoceratidae that also
includes Nybyoceras and Selkirkoceras. Curt Teichert, 1964...
- with
Elrodoceras and
Armenoceras forms one of the two
branches of the
Armenoceratidae. Curt Teichert, 1964. Actinoceratoidea,
Treatise on
Invertebrate Paleontology...
-
Armenoceras or
perhaps from an
early Nybyoceras, also part of the
Armenoceratidae. Flower, R,H, 1957,
Studies of the Actinoceratida, New
Mexico Bureau...
-
western North America, is
included in the
Nybyoceras branch of the
Armenoceratidae (Teichert, 1964),
which also
includes Nybyoceras and Megadisocosorus...
- rise to the Ormoceratidae. Wutinoceras,
further on, gave rise to the
Armenoceratidae and
possibly to the
immediate ancestors of Actinoceras.
Flower 1976...
- of a more
narrow siphuncle.
Wutinoceras is also the
ancestor of the
Armenoceratidae which gave rise in the
later Middle Ordovician to
Actinoceras and Gonioceras...
- and on into the
Upper Silurian. It is the type
genus of the
family Armenoceratidae. The s**** of
Armenoceras are
straight and
medium to
large in size...
