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Birgeria is a
genus of
carnivorous marine ray-finned fish from the Tri****ic period.
Birgeria had a
global distribution, with
fossil known from Madagascar...
- of fish today).
Predatory actinopterygians such as
saurichthyids and
birgeriids, some of
which grew over 1.2 m (3.9 ft) in length,
appeared in the Early...
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Pyramiden Member ("Fish zone 2"),
Falkeryg Member ("Fish zone 5") A
birgeriid. The
genus had a
cosmopolitan distribution during the Tri****ic Bobasatrania...
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holostean Birgeria B.
guizhouensis A
large predatory birgeriid B. sp. A
large predatory birgeriid Colobodus C. sp. A
colobodontid perleidiform Guizhoucoelacanthus...
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ptycholepid Birgeria B.
aldingeri Lusitaniadalen Member (Fish Niveau) A
birgeriid.The
material was
originally referred to B. mougeoti, the type species...
- hard-s****ed prey,
while other actinopterygians like
saurichthyids and
birgeriids mainly occupied top
predator piscivorous niches. They
originated from...
- Qianosuchus. Otherwise, fish
including saurichthyids, palaeoniscids,
birgeriids, perleidids, eugnathids, semionotids, pholidopleurids, peltopleurids,...
-
provenance uncertain.
Birgeria B.
stensioei A
predatory and
pelagic birgeriid chondrostean, by far the
largest actinopterygian in the formation. The...
- form 3.66% of
fossil specimens,
including saurichthyids, palaeoniscids,
birgeriids, perleidids, eugnathids, semionotids, pholidopleurids, peltopleurids,...
- Coccolepidae,
although due to
preservation it is tentative. It is not
belong to
birgeriid considering differences from Birgeria. However, if
identification as acipenseriform...
