- The
Tarphycerida were the
first of the
coiled cephalopods,
found in
marine sediments from the
Lower Ordovician (middle and
upper Canad) to the
Middle Devonian...
-
membership is
somewhat variable between authors, but it
usually includes Tarphycerida, Oncocerida, and Nautilida. All
nautiloids have a
large external s****...
-
Oncocerida Order †
Discosorida Order †
Tarphycerida Order †
Barrandeocerida A
polyphyletic group now
included in the
Tarphycerida Order Nautilida Subclass † Bactritoidea...
- Ellesmerocerida, Oncocerida, Discosorida, and Ascocerida. The
order Tarphycerida was
considered a
potential member of the subclass,
though their larger...
- Nautilida, Oncocerida, and
Tarphycerida. The
superorder has its
roots in the B****leroceratidae, the
ancestral family of the
Tarphycerida,
sometimes included...
-
Ellesmerocerida Orthocones: Endocerida, Orthocerida,
Actinocerida Brevicones: Ascocerida,
Oncocerida Earliest coiled cephalopods:
Tarphycerida Spirulid?: Shimanskya...
- s****, and fall into the
orders Endocerida (with wide siphuncles) and
Tarphycerida (with
narrow siphuncles). By the mid
Ordovician these orders are joined...
- V.24, N.5, pp 604–616, Sept
Furnish & Glenister, 1964,
Nautiloidea -
Tarphycerida.
Treatise on
Invertebrate Paleontology Part K...
Nautiloidea Mutvei,...
- (Barrandeoceratid
siphuncles are
central - subcentral. Re****ignment to the
Tarphycerida from the
Barrandeocerida is
based on
barrandeoceratid taxa
being polyphyletic...
-
Ellesmerocerida Orthocones: Endocerida, Orthocerida,
Actinocerida Brevicones: Ascocerida,
Oncocerida Earliest coiled cephalopods:
Tarphycerida Spirulid?: Shimanskya...