-
Lemdadella is an
extinct genus of
redlichiid trilobites that
lived during the late
Atdabanian stage,
which lasted from 521 to 514
million years ago during...
- used by
geologists working in Siberia. The
oldest trilobite known is
Lemdadella which appears at the
beginning of the
Fallotaspis zone. The
Cambrian radiation...
- discussion, but
among the
earliest are
Fallotaspis (suborder Olenellina), and
Lemdadella (suborder Redlichiina), both
belonging to this order. The
first representatives...
-
represent the
original state. The
earliest sutured trilobite found so far (
Lemdadella),
occurs almost at the same time as the
earliest Olenellina, suggesting...
-
lower boundary of this series.
Currently the
oldest trilobite known is
Lemdadella which marks the
beginning of the
Fallotaspis zone. The end of the 2nd...
-
Stage 3 ~521 None Biologic:
First appearance of
trilobites (possibly
Lemdadella) -
Terreneuvian Stage 2 ~529 None Biologic:
First appearance of small...
- to the
trilobites with
dorsal cephalic sutures, such as
Bigotina and
Lemdadella,
making it
pivotal in the
understanding of the
development of
these sutures...
-
Leptoredlichia Olgaspis Xenoredlichia Eoredlichia (type genus)
Irgitkhemia Lemdadella Ningqiangaspis Pachyredlichia Redlichops Wutingaspis (type genus) Chaoaspis...
- has long been the
earliest known trilobite, but
recently the
redlichiid Lemdadella has been
claimed as
occurring even earlier. ”Fallotaspidoidea”
occur in...
-
morphologically intermediate between other species.
Eofallotaspis gives rise to
Lemdadella, and
thence to
Eoredlichia and the
other Redlichiidae. Like most early...
