-
distinguished by the
presence of
conical calcareous deposits,
known as
endocones,
found in the more
apical portion of the siphuncle. They are
thought to...
-
concretions known as
endocones,
which have a
simple conical form in Cameroceras. A thin
endosiphuncular tube p****es
through the apex of each
endocone, in the lower...
- true endocerids, the
simple endocones of
bisonocerids are
interlaced with a more
complex form of
endocone. “Complex”
endocones are imperforate,
without a...
-
especially in the
young but
which may be
tubular in the
adult stage.
Endocones are simple,
subcircular in
cross section, and
penetrated by a
narrow tube...
-
process about which the
endocones are draped.
Perkinsoceras has what have been
interpreted as
tubules that form
where the
endocones impinge on the process...
-
characterized by a
lateral pair of
subequal conical structures,
resembling the
endocones of endocerids,
separated by a
straight partition that
extends more than...
- inter-connecting tubule-like
structures along its
margin where intercepted by
endocones.
Three species are
named and
described (Flower 1968) from the
Garden City...
- to Teichert, 1964, are holochoanitic,
reaching to the
previous septum.
Endocones are
described as
having a
dorsal wedge, or process,
making the internal...
- a
family of
endogastric discosorids (Cephalopoda, Nautiloidea), with
endocones in the siphuncle,
ranging from the
Middle Silurian to
Middle Devonian...
- is
concave ventrally. The
opening between the
dorsal process and the
endocone forms a
dorsally concave crescent shape. The
process is
bisected in the...