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Xenodiscoidea,
formerly Xenodiscaceae, is a
superfamily within the
ammonoid order Ceratitida. The
superfamily was
named by
Frech in 1902,
presently contains...
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Otoceratoidea Pinacoceratoidea Ptychitoidea Sageceratoidea Tropitoidea Xenodiscoidea Only
eight superfamilies are
shown in the
Treatise on
Invertebrate Paleontology...
- the rise of the
order Ceratitida,
especially within the
superfamily Xenodiscoidea. Only
seven trilobites are
known from the Lopingian, with only five...
- cephalopods) from the
middle and
upper Permian;
mostly equivalent to the
Xenodiscoidea which it contains.
Still used in some
classifications but is otherwise...
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Mollusca class:
Cephalopoda Subclass: †Ammonoidea Order: †Ceratitida Superfamily: †
Xenodiscoidea Family: †Huananoceratidae Zhao, 1978
Genera Huananoceras...
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Cephalopoda Subclass: †Ammonoidea Order: †Ceratitida Superfamily: †
Xenodiscoidea Family: †Paraceltitidae Spath, 1930
Genera Cibolites Doulingoceras Kingoceras...
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Cephalopoda Subclass: †Ammonoidea Order: †Ceratitida Superfamily: †
Xenodiscoidea Family: †Pleuronodoceratidae Zhao, 1978
Genera Longmenshanoceras Pentagonoceras...
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Cephalopoda Subclass: †Ammonoidea Order: †Ceratitida Superfamily: †
Xenodiscoidea Family: †Liuchengoceratidae Zhao, 1978
Genera Liuchengoceras Rongjiangoceras...
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Paratirolites is a
genus of
latest Permian and
earliest Tri****ic
ceratites from Armenia, Azerbaijan, Afghanistan,
China and Iran with
distinct ribs, prominent...
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Cephalopoda Subclass: †Ammonoidea Order: †Ceratitida Superfamily: †
Xenodiscoidea Family: †Xenoceltitidae Spath, 1930
Genera Anakashmirites Kashmirites...
