- low
saddles and
simple serrated lobes.
Arctoceras was
named by
Alpheus Hyatt in 1900. The
genotype Arctoceras polaris (Mojsisovics, 1865) was described...
- 2020-07-27. "9781157061519: Ceratitida: Xenodiscaceae, Noritaceae, Arcestes,
Arctoceras, Xenodiscidae, Halortidae, Anasirenites, Arpadites, Asklepioceras, Araxoceratidae...
-
Smithian substage of the
Olenekian stage. The most
common ammonoid is
Arctoceras. Fish and
amphibian fossils have also been
found in this member, particularly...
- is
named after geologist J. P. Smith). The
Smithian is
defined by the
Arctoceras bloomstrandi ammonoid zone (contains
Euflemingites romunderi and Juvenites...
-
Arcanoceras Arcestes Archoceras Arcthoplites Arcticoceras Arctocephalites Arctoceras Arctogymnites Arctohungarites Arctom****oceras
Arctomercaticeras Arctoprionites...
-
Tolkien [...]
Mordor is
volcanic and
partly arid, like the Galápagos."
Arctoceras erebori † Piazza, 2017
Ammonoid Erebor, the
Lonely Mountain Astyanax lorien...
-
Early Cretaceous (Aptian) France A
member of the
family Ancyloceratidae.
Arctoceras erebori Sp. nov
Valid Piazza in Piazza,
Hammer &
Jattiot Early Tri****ic...
- for
species †Arctocephalites
pompeckji †
Arctoceras †
Arctoceras blomstrandi †
Arctoceras tuberculatum †
Arctoceras tuberculatus †Arctopteris †Arctopteris...
- †Arctocephalites
costidensus – type
locality for
species †Arctocephalites
pompeckji †
Arctoceras †Arieticeras †Arnioceras †Arpadites –
tentative report †Aspenites Astarte...
- †Araucariacites
australis †Araucariacites
fissus †Araucarioxylon †Arcomya †
Arctoceras †
Arctoceras tuberculatum †Arctoprionites †Arctoprionites
resseri †Arvinachelys...
