Application of 3D digital technologies in paleontological reconstruction: a systematic literature review
Cogent Social Sciences,
Год журнала:
2025,
Номер
11(1)
Опубликована: Май 8, 2025
Язык: Английский
An Atlas of Malformed Trilobites from North American Repositories Part 3: The Field Museum of Natural History
American Museum Novitates,
Год журнала:
2025,
Номер
2025(4035)
Опубликована: Май 29, 2025
Язык: Английский
Novel pterygotid sea scorpions from the Silurian and Devonian of Gondwana
Gondwana Research,
Год журнала:
2024,
Номер
135, С. 282 - 292
Опубликована: Авг. 17, 2024
Язык: Английский
An Atlas of Malformed Trilobites from North American Repositories Part 2. The American Museum of Natural History
American Museum Novitates,
Год журнала:
2024,
Номер
2024(4027)
Опубликована: Сен. 10, 2024
Язык: Английский
Early Devonian stylonurine eurypterids from northern Gondwana: Late Lochkovian to early Pragian records from South China
Gondwana Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 1, 2024
Язык: Английский
The earliest pterygotid record (Arthropoda, Chelicerata) from the Lower Silurian Majiaochong Formation of South China
Historical Biology,
Год журнала:
2024,
Номер
unknown, С. 1 - 5
Опубликована: Май 26, 2024
In
this
paper,
we
describe
new
materials
of
pterygotid
eurypterid
Erettopterus
sp.
excavated
from
the
lower
Silurian
(Llandovery)
Majiaochong
Formation
Guizhou
Province,
China.
Those
represent
one
earliest
records
genus
Erettopterus,
thereby
indicating
their
long-lived
history
within
South
Chinese
region,
and
might
have
accomplished
global
distribution
earlier
than
previous
estimated.
Язык: Английский
The “elongate chelicera problem”: A virtual approach in an extinct pterygotid sea scorpion from a 3D kinematic point of view
Ecology and Evolution,
Год журнала:
2024,
Номер
14(5)
Опубликована: Май 1, 2024
Abstract
Chelicerae,
distinctive
feeding
appendages
in
chelicerates,
such
as
spiders,
scorpions,
or
horseshoe
crabs,
can
be
classified
based
on
their
orientation
relative
to
the
body
axis
simplified
either
orthognathous
(parallel)
labidognathous
(inclined),
exhibiting
considerable
diversity
across
various
taxa.
Among
extinct
sea
scorpions
belonging
Pterygotidae
represent
only
chelicerates
possessing
markedly
elongated
chelicerae
length.
Despite
hypotheses
regarding
potential
ecological
functions
and
movements
of
these
structures,
no
comprehensive
3D
kinematic
investigation
has
been
conducted
yet
test
ideas.
In
this
study,
we
generated
a
model
pterygotid
Acutiramus,
making
right
chelicera
movable
by
equipping
it
with
virtual
joint
axes
for
conducting
Range
Motion
analyses.
Due
absence
fossil
record
clear
indication
lateral
ventral
(vertical
horizontal
insertion
1),
explored
analyses
under
four
distinct
settings
two
modes
(euthygnathous,
klinogathous)
analogous
terminology
terrestrial
relatives.
The
most
plausible
setting
involved
euthygnathous
being
folded
ventrally
over
axis.
This
configuration
positioned
closest
oral
opening.
Concerning
maximum
excursion
angle,
our
analysis
revealed
that
chela
could
open
up
70°,
while
retracted
against
basal
element
145°.
proximal
varied
between
55°
120°
orientation.
Our
findings
underscore
utility
applying
kinematics
fossilized
arthropods
addressing
inquiries
functional
ecology
prey
capture
handling,
enabling
insights
into
possible
behavioral
patterns.
likely
captured
processed
using
chelicerae,
subsequently
transporting
opening
assistance
other
prosomal
appendages.
Язык: Английский
Genital Appendages of the Giant Pterygotid Eurypterid Acutiramus from the Silurian (Pridoli) Bertie Group of North America
Bulletin of the Peabody Museum of Natural History,
Год журнала:
2024,
Номер
65(2)
Опубликована: Окт. 25, 2024
Pterygotid
eurypterids
are
known
for
their
large
size
and
elongate
chelicerae.
The
Silurian
Bertie
Group
of
upper
New
York
State
has
yielded
complete
fragmentary
specimens
giant
individuals
the
pterygotid
Acutiramus
macrophthalmus
indicating
maximum
body
lengths
over
2
m.
Here
we
describe
illustrate
large,
isolated
examples
otherwise
poorly
documented
genital
appendages
(type
A
B,
generally
interpreted
as
female
male
respectively)
this
pterygotid.
rarity
affording
a
ventral
view
compromises
attempts
to
infer
length
from
dimensions
appendages.
These
provide
useful
evidence
interrelationships
pterygotids
when
used
in
combination
with
other
characters.
Язык: Английский