Historical Biology,
Год журнала:
2022,
Номер
34(11), С. 2195 - 2204
Опубликована: Март 8, 2022
Dromaeosaurids
are
poorly
known
in
Europe
and
their
fossil
records
mostly
postcranial
remains.
To
date,
the
French
faunal
of
family
Dromaeosauridae
include
two
taxa:
Pyroraptor
olympius
Variraptor
mechinorum.
Nevertheless,
taxonomic
validity
phylogenetic
relationships
as
dromaeosaurids
controversial.
Here,
we
report
a
new
record
dromaeosaurid-like
pedal
ungual
from
'Grès
à
Reptiles'
Formation
(Campanian-Maastrichtian)
Upper
Cretaceous
southern
France.
The
specimen
was
assigned
to
cf.
on
basis
an
extensive
qualitative
analysis.
has
strongly
curved
morphology
with
tall,
narrow
cross-section,
which
is
one
most
characteristic
anatomical
features
family.
Direct
comparison
reveals
that
claw
similar
(MNHN
BO001)
stratigraphically
correlated
locality.
Zoological Journal of the Linnean Society,
Год журнала:
2024,
Номер
202(4)
Опубликована: Дек. 1, 2024
Abstract
Noasaurus
leali
is
a
small
(~2
m)
carnivorous
theropod
and
the
nominal
genus
of
clade
Noasauridae,
one
two
radiations
abelisauroid
ceratosaurs
predominantly
present
in
Southern
Hemisphere
during
Mesozoic.
This
eponymous
from
Maastrichtian
Lecho
Formation
Salta,
Argentina,
known
an
incomplete
skeleton
which
strongly
curved
manual
ungual
most
peculiar
element.
We
here
provide
for
first
time
comprehensive
description
holotypic
specimens
Noasaurus,
whose
phylogenetic
position
was
explored
using
three
independent
datamatrices
on
relationships.
species
diagnosed
by
several
apomorphies
such
as
dorsal
ridge
maxillary
fossa,
arched
quadrate,
cervical
neural
arch
with
anterior
epipophyseal
prongs,
subtriangular
flexor
fossa
delimited
V-shaped
ridge.
Results
analyses
recovered
closely
related
to
Velocisaurus,
Masiakasaurus,
Laevisuchus,
together
form
Late
Cretaceous
radiation
small-bodied
noasaurids
restricted
Hemisphere.
The
morphology
lateral
dentition
unguals
suggests
that
opportunistic
carnivore
feeding
prey
items
possible
piscivore
gaffing
fish
its
specialized
hand
claws.
Historical Biology,
Год журнала:
2022,
Номер
34(11), С. 2195 - 2204
Опубликована: Март 8, 2022
Dromaeosaurids
are
poorly
known
in
Europe
and
their
fossil
records
mostly
postcranial
remains.
To
date,
the
French
faunal
of
family
Dromaeosauridae
include
two
taxa:
Pyroraptor
olympius
Variraptor
mechinorum.
Nevertheless,
taxonomic
validity
phylogenetic
relationships
as
dromaeosaurids
controversial.
Here,
we
report
a
new
record
dromaeosaurid-like
pedal
ungual
from
'Grès
à
Reptiles'
Formation
(Campanian-Maastrichtian)
Upper
Cretaceous
southern
France.
The
specimen
was
assigned
to
cf.
on
basis
an
extensive
qualitative
analysis.
has
strongly
curved
morphology
with
tall,
narrow
cross-section,
which
is
one
most
characteristic
anatomical
features
family.
Direct
comparison
reveals
that
claw
similar
(MNHN
BO001)
stratigraphically
correlated
locality.
