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Hymenocarina is an
order of
extinct marine arthropods known from the Cambrian. They
possess bivalved carapaces,
typically with
exposed posteriors. Members...
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number of
extinct groups have also been
placed in Mandibulata,
including Hymenocarina, Euthycarcinoidea, and
possibly Fuxian****ida. The name "Mandibulata"...
- Fuxian****ida, Megacheira, and
multiple "bivalved forms"
including Isoxyida and
Hymenocarina. The
Deuteropoda is a
recently established clade uniting the crown-group...
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comprehensive redescription published in 2018
classified it a
member of
Hymenocarina (which
contains numerous other bivalved arthropods)
within Mandibulata...
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appendages to stir mud in
search of food. They have been
placed within the
Hymenocarina,
which includes other bivalved Cambrian arthropods. The
bivalved carapaces...
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several studies performed,
Balhuticaris was
found to be a
member of the
Hymenocarina. More
specifically it was
found to be most
closely related to the genus...
- This is a list of the
fossils found within the
Xiaoshiba Biota. The
Xiaoshiba Biota is a lagerstätte from
south China,
belonging to the
Hongjingshao Formation...
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orders Allotriocarida (including Hexapoda) †Bredocaris †Dala †Ercaia †
Hymenocarina?
Multicrustacea †Musacaris?
Oligostraca †Oelandocarididae? †Paulinecaris...
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classification Domain:
Eukaryota Kingdom:
Animalia Phylum:
Arthropoda Order: †
Hymenocarina Family: †Protocarididae Genus: †Tokummia Species: †T. katalepsis Binomial...
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modern arthropod group Mandibulata.
Odaraiidae is
currently placed within Hymenocarina,
which includes many
other mandible bearing (when preserved) bivalved...