-
sometimes free. The
genotype Wutinoceras foerste,
which comes from
northeast China (Manchuria), is of the
second variety.
Wutinoceras species of the broad-segment...
-
Whiterockian formations in
northeastern China that
Polydesmia is
antedated by
Wutinoceras, its ****umed
primitive nature rather a
derived condition. Actinocerids...
- are
penetrated by a
system of canals.
Actinoceratids are
derived from
Wutinoceras,
possibly through an
early Armenoceras or
through Nybyoceras and give...
-
siphuncle segments like Ormoceras, but
having a
reticular canal system like
Wutinoceras.
Adamsoceras has a slender,
gently expanding,
orthoconic s**** that is...
-
penetrated by a
system of canals. The
Wutinoceratidae include three genera,
Wutinoceras, Cyrtonybyoceras, and Adamsoceras,
known especially from the
early Middle...
- Wutinoceratidae, a
family of
actinocerids and
probably derived from an
earlier Wutinoceras . The s**** of
Cyrtonybyoceras is
curved slightly upwardly and is slightly...
- Darriwilian) Poland
Wennanoceras remotum Sp. nov Song et al.
Ordovician China
Wutinoceras multiseptum Sp. nov Song et al.
Ordovician China A
member of Actinocerida...
-
double arc type.
Cameral deposits are rare.
Armenoceras is
derived from
Wutinoceras through a
thinning of the
connecting rings and a
simplification of the...
-
established chronologies, in
northeastern China, Manchuria,
derived from
Wutinoceras.
Additional genera include Nybyoceras and Selkirkoceras, respectively...
- †Winnipegoceras †Wissenbachia †Wolungoceras †Woosteroceras †Worthenoceras †
Wutinoceras †Xainzanoceras †Xenoceras †Xenocheilus †Xiaoshaoceras †Xiphoceras †Yakutionautilus...
