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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...
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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...
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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...
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Theodor Kjerulf. H.
hyperborea =
Mesolenellus hyperborea H.
ljungneri =
Fallotaspis ljungneri H.
lundgreni =
Elliptocephala lundgreni H.
macer = Mummaspis...
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zones contain Lemdadella (Brackets
contain geographic distribution):
Fallotaspis zone (Spain, Laurentia) Eoredlichia-Yunnanocephalus zone (Antarctica)...
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Early Cambrian trilobites belonging to the
suborder Olenellina (like
Fallotaspis)
lacked facial sutures.
Other later trilobites also lost
facial sutures...
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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...
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Escondido Formation Cretaceous Espinazo del
Diablo Formation Cretaceous Fallotaspis Group/Puerto
Blanco Formation Cambrian Ferrotepec Formation Neogene Filisolo...
