-
without a
common cornea (so
called schizochroal eyes). However,
several phacopids have very few lenses, such as the
species of the
genera Cryphops, Denckmannites...
- spiny,
stalked crinoid from the
Middle Devonian of
Wisconsin Enrolled phacopid trilobite from the
Devonian of Ohio The
common tabulate coral Aulopora...
-
Phacopid trilobite Eldredgeops rana cr****ituberculata. The
genus is
named after Niles Eldredge...
- Popov;
Mehdi Omrani; Hadi
Omrani (2018). "The
latest Devonian (Famennian)
phacopid trilobite Omegops from
eastern Alborz, Iran".
Estonian Journal of Earth...
-
stage before metamorphosing into
benthic forms survived (e.g. lichids,
phacopids).
Pelagic larval life-style
proved ill-adapted to the
rapid onset of global...
- just
below the lenses. All
phacopids died out in
North America during the Kačák
Event at the end of the Eifelian. The
phacopids returned to
North America...
- (Dalmanitidae) are two of the best-known
members of this order.
Other known phacopids include Cheirurus (Cheiruridae),
Deiphon (Cheiruridae),
Calymene (Calymenidae)...
- Stice,
Morgan L.; Mize,
Steven K.; Martin,
Markus J. "Original
spotted patterns on
Middle Devonian phacopid trilobites from
western and
central New York"....
- 883°N 20.917°E / 50.883; 20.917), and the
Western Urals in Russia. All
phacopids were
probably marine bottom-dwellers. D.
vietnamica has been
found with...
- are
included in the
subclass Librostoma.
Unlike the
trilobites of the
phacopid suborder Phacopina,
whose eyes are schizochroal, the
proetids have the...
