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Gastornithiformes are an
extinct order of
giant flightless fowl with
fossils found in
North America, Eurasia,
possibly Australia.
Members of Gastornithidae...
- more
related to Strigogyps)
Subfamily Physornithinae —
equivalent to
Brontornithinae, if
Brontornis is
included within the
family Genus Paraphysornis (Late...
- beak). Five
phorusrhacid subfamilies were
recognized at the time (
Brontornithinae, Phorusrhacinae, Patagornithinae,
Mesembriornithinae and Psilopterinae)...
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represent an anseriform, with
other genera traditionally ****igned to
Brontornithinae (Physornis and Paraphysornis)
being true phorusrhacids. The subfamily...
-
phylogenetic analysis of
Phorusrhacidae in 2011 that did not
separate Brontornithinae, Phorusrhacinae, and Patagornithinae,
resulting in
Titanis in a polytomy...
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Phorusrhacid that he
named Paraphysornis.
Physornis has been
referred to the
Brontornithinae subfamily, the
largest and most
solidest shock birds,
though Brontornis...
-
shared features,
Paraphysornis is
traditionally considered a
member of
Brontornithinae alongside Brontornis and Physornis. However, the
nature of this clade...
