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Otavia antiqua is an
early sponge-like
fossil found in
Namibia in the
Etosha National Park. It is
claimed to be the
oldest animal fossil,
being found in...
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Earlier evidence of
animals is
still controversial; the sponge-like
organism Otavia has been
dated back to the
Tonian period at the
start of the Neoproterozoic...
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earliest fossils of
complex life are
found in the
Tonian period in the form of
Otavia, a
primitive sponge, and the
earliest fossil evidence of
metazoan radiation...
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ancestor of all animals, with
fossil evidence of
primitive sponges such as
Otavia from as
early as the
Tonian period (around 800 Mya). The
branch of zoology...
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Planulozoa Cnidaria Bilateria Pan-Porifera? Porifera? †Archaeocyatha? †
Otavia? †Archaeocyatha? (Sometimes)
Synonyms Enterozoa Lankester, 1877, em. Beklemishev...
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Porifera (Mostly) †Archaeocyatha? †
Otavia Ctenophora (In some uses,
excluding sponges, Archaeocyatha, and
Otavia) †Archaeocyatha (Sometimes) Placozoa...
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Reconstruction of
Otavia antiqua,
possibly the
first animal about 760
million years ago ...
- are
dated to the
middle to late
Tonian (c. 890-800 Mya). The
fossils of
Otavia antiqua,
which has been
described as a
primitive sponge by its discoverers...
- that
complex life (in the form of
placozoans and
primitive sponges such as
Otavia) has
existed at
least since the
Tonian period and the
earliest known life...
- Name
Status Latest release License Languages Otavia Active 2024-01-02
Apache 2.0
Scala Goblins-Racket Goblins-Guile
Active 2024-12-10
Apache 2.0 Racket...
