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Hebediscidae is a
family of
trilobites belonging to the
order Agnostida that
lived during the
Lower Cambrian (Atdabanian to Toyonian). They are
small or...
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Second the Yukoniidae, who
sprouted the Eodiscidae. And
finally the
Hebediscidae, that
themselves gave rise to the Weymouthiidae,
which contain Tannudiscus...
- free ch****s. The
Weymouthiidae have
developed from a
stock within the
Hebediscidae. The
Weymouthiidae are a
paraphyletic family because the
Agnostina suborder...
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Condylopygidae Suborder Eodiscina Superfamily Eodiscoidea Calodiscidae Eodiscidae Hebediscidae Tsunyidiscidae Weymouthiidae Yukoniidae Synonyms Isopygia Gürich, 1907...
- Sanashtykgol, Gorno-Altayskaya, Ul’men’River). Like all Agnostida, the
Hebediscidae are
diminutive and the
headshield (or cephalon) and
tailshield (or pygidium)...
- Phylum:
Arthropoda class: †Trilobita (?) Order: †Agnostida Family: †
Hebediscidae Genus: †Delgadella Walcott, 1908
Species D.
lusitanica (Delgado, 1904)...
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Three lineages are
thought to have
evolved from Tsunyidiscus.
First the
Hebediscidae, that
themselves gave rise to the Weymouthiidae,
which contain Tannudiscus...
- Phylum:
Arthropoda class: †Trilobita (?) Order: †Agnostida Family: †
Hebediscidae Genus: †Tchernyshevioides
Hajrullina 1975
Species T.
ninae Hajrullina...
- Phylum:
Arthropoda class: †Trilobita (?) Order: †Agnostida Family: †
Hebediscidae Genus: †Dicerodiscus W. Chang, 1964
Species D.
tsunyiensis W. Chang,...
-
Landing Early Cambrian Brigus Formation Canada A
member of the
family Hebediscidae.
Hintzeia parafirmimarginis Sp. nov
Valid McAdams &
Adrain Ordovician...
