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Arthricocephalus is an
extinct genus from a well-known
class of
fossil marine arthropods, the trilobites. It
lived during the
later part of the Botomian...
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Another proposal is the
first appearance of the
trilobite species Arthricocephalus chauveaui. Both
proposals will set the
lower boundary close to 514...
- 0807; 108.4138
Series 2
Stage 4 ~514 None Biologic:
First appearance Arthricocephalus chauveaui (Trilobite species). Biologic:
First appearance Olenellus...
- Manaspis, Prouktaspis, Uktaspis, Vologdinaspis.
Oryctocephalidae Arthricocephalus, Balangia, Barklyella, Cheiruroides, Curvoryctocephalus, Duodingia...
- the
family Oryctocephalidae:
Oryctometopus Tomashpol'skaya, 1964 †
Arthricocephalus Bergeron, 1899 †
Changaspis Lee, 1963 †
Cheiruroides Kobayashi, 1935...
- Manaspis, Prouktaspis, Uktaspis, Vologdinaspis.
Oryctocephalidae Arthricocephalus, Balangia, Barklyella, Cheiruroides, Curvoryctocephalus, Duodingia...
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Arglina Argunaspis Armagnostus Armorigreenops Arraphus Arrhenaspis Arthricocephalus (=Arthricocephalites; =Protoryctocara; =Oryctocarella) Artokephalus...
