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Ussuritidae are ancestral, Tri****ic,
Phylloceratina characterized by
generally smooth, discoidal,
evolute s**** with
rounded venters and
little or no...
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early in the Tri****ic to the
Ussuritidae. The
Ussuritidae is the
ancestral family of the Phylloceratina. The
Ussuritidae extend through the
Upper Tri****ic...
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generally evolute Phylloceratina from the
Upper Tri****ic,
derived from the
Ussuritidae, in
which the prin****l
saddles of the
suture have
bifurcated or trifurcated...
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constitute a
suborder within the Ammonitida, are
derived from the Tri****ic
Ussuritidae or Discophyllitidae,
families belonging to the Phylloceratina, or both...
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Eukaryota Kingdom:
Animalia Phylum:
Mollusca class:
Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Family: †
Ussuritidae Genus: †Eophyllites Spath, 1930...
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involute coiling. The
Discophyllitidae in turn have
their origin in the
Ussuritidae, also
known as the Monophyllitidae. The
Phylloceratidae gave rise at...
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Monophyllites is an
extinct cephalopod genus belonging to the
family Ussuritidae that
lived during the Tri****ic period, from
Anisian to
Ladinian age....
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Early Pliensbachian.
Psiloceratoidea is
probably derived from the
family Ussuritidae,
which were Tri****ic
members of Phylloceratoidea.
Similar to
their ancestors...
- Kingdom:
Animalia Phylum:
Mollusca class:
Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Family: †
Ussuritidae Genus: †Palaeophyllites Welter, 1922...
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belonging to the
suborder Phylloceratina and is
included in the
family Ussuritidae. Its
range is
restricted to the
early Middle Tri****ic, (Anisian) As with...
