-
Fallotaspis is a
genus of
redlichiid trilobites found in
Early Cambrian-aged
strata of the
United States and Morocco. The
generic name,
Fallotaspis, is...
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trilobite known is
Lemdadella which appears at the
beginning of the
Fallotaspis zone. The
Cambrian radiation of
animal phyla ends here,
after the diversification...
-
different areas,
there remains some discussion, but
among the
earliest are
Fallotaspis (suborder Olenellina), and
Lemdadella (suborder Redlichiina), both belonging...
- Olenellina, that
became extinct at the very end of the
Early Cambrian (like
Fallotaspis, Nevadia, Judomia, and Olenellus)
lacked facial sutures. They are believed...
-
Early Cambrian trilobites belonging to the
suborder Olenellina (like
Fallotaspis)
lacked facial sutures.
Other later trilobites also lost
facial sutures...
-
oldest trilobite known is
Lemdadella which marks the
beginning of the
Fallotaspis zone. The end of the 2nd
series of the
Cambrian is
marked by the first...
-
zones contain Lemdadella (Brackets
contain geographic distribution):
Fallotaspis zone (Spain, Laurentia) Eoredlichia-Yunnanocephalus zone (Antarctica)...
- in the
Cambrian Stage 3 aged
Zawiszyn Formation. It was
found in the
Fallotaspis Zone
making it
older than the
Chengjiang biota. It was
described by Kazimiera...
-
Stratigraphic range:
Atdabanian (approx.) Pre๊ ๊ O S D C P T J K Pg N โ ;
Fallotaspis, Nevadella, and Bonnia-Olenellus
trilobite zones Type
Formation Underlies...
- (once
interpreted as sponge-like forms); its
uppermost strata contain Fallotaspis-zone trilobites,
whereas its
lower levels come
above Protohertzina and...
