-
Ovatoryctocara is a
genus of
small corynexochid trilobites from the Cambrian, that
lived in what now are Siberia, China,
Greenland and
Canada (Newfoundland)...
-
Ovatoryctocara granulata is a
species of
corynexochid trilobite from the Cambrian. Its
first appearance is one of the
proposals for the base of Wuliuan...
- transgression, and the
disappearance of the
polymerid trilobites,
Bathynotus or
Ovatoryctocara.
Unlike the
Terreneuvian and
Series 2, all the
stages of the Miaolingian...
- multinodus-zone) and
Amgaian (
Ovatoryctocara-zone). Eoagnostus,
Toyonian (Nephrolenellus multinodus-zone) and
Amgaian (
Ovatoryctocara-zone).
Peronopsis (Proacadagnostus)...
-
Middle Cambrian of Newfoundland, and
Greenland (around the
boundary of
Ovatoryctocara-zone,
Henson Gletscher Formation).
Eoagnostus acrorhachis occurs in...
- to be the
respective first appearances of
either trilobite species Ovatoryctocara granulata or
Oryctocephalus indicus,
which both have an age
close to...
-
Formation is
subdivided into
three trilobite zones:
Bathynotus holopygous–
Ovatoryctocara granulata Zone
Oryctocephalus indicus Zone
Olenoides jialaoensis Zone...
-
Federation (Kounamkites-zone,
Daldyn river Basin, and
Nekekit River;
Ovatoryctocara-zone,
Molodo River,
Olenik Uplift, Yakutia;
Shistocephalus antiquus-zone...
- Oryctocephaloides, Oryctocephalops, Oryctocephalus, Oryctometopus,
Ovatoryctocara, Paleooryctocephalus, Parachangaspis, Paracheiruroides, Protoryctocephalus...
-
trilobite Oryctocephalus indicus, the
second candidate was the
trilobite Ovatoryctocara granulata. The Wuliu-Zengjiayan
section was
chosen as the
formal base...
