-
overwhelming majority of
endocerids and
nautiloids in
general are much smaller,
usually less than a
meter long when
fully grown.
Endocerids had a
relatively small...
- an
extinct genus of
endocerid cephalopod which lived in
equatorial oceans during the
entire Ordovician period. Like
other endocerids, it was an orthocone...
-
among nautiloid cephalopods, is
prevalent among the ellesmerocerids,
endocerids, actinocerids, orthoceratoids, and bactritids.
Orthocones existed from...
- Brachiopods,
bryozoans and
echinoderms were also
heavily affected, and the
endocerid cephalopods died out completely,
except for
possible rare
Silurian forms...
- The
later added Williamsoceras, Cacheoceras, and
Perkinsoceras are true
endocerids as
indicated by
their cylindroid s****, phragmocones, and siphuncles...
-
encephalopathy endo- inside,
within Gr**** ἔνδον (éndon) endocardial,
endocerid, endocrine, endocytosis, endogamy, endogenous, endorheic, endoscopy, endoskeleton...
- Brachiopods,
bryozoans and
echinoderms were also
heavily affected, and the
endocerid cephalopods died out completely,
except for
possible rare
Silurian forms...
- than the well-ballasted bottom-dwellers such as the
actinocerids and
endocerids. The
ventral siphuncle of the
Bactritida would have
facilitated chamber...
-
lateral pair of
subequal conical structures,
resembling the
endocones of
endocerids,
separated by a
straight partition that
extends more than half way across...
- recently-named
order Bisonocerida shares traits with
ellesmerocerids and
endocerids, and some
studies have
placed it as a
member of Multiceratoidea. A 2022...