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Macrocephalitidae is an
extinct family of
marine invertebrate animals belonging to the
superfamily Stephanoceratoidea,
order Ammonitida. The Macrocephalitidae...
- the
source for both the
Macrocephalitidae and the Pachyceratidae. The
Pachyceratidae lead to the Mayitidae, the
Macrocephalitidae both the Kosmoceratidae...
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Macrocephalites is a
genus of the
stephanoceratoid ammonite family Macrocephalitidae,
diagnostic of the
Callovian stage of the
Middle Jur****ic.
Three subgenera...
-
subgenus of Macrocephalites,
belonging to the
stephanoceratacean family,
Macrocephalitidae.
Inner whorls form a
cadicone (a
barrel shape),
outer become more...
- M. spp.
Caudiel outcrop Isolated s**** An
Ammonite of the
family Macrocephalitidae Oppelia O. spp. Pina-Barracas.1
Isolated s**** An
Ammonite of the...
- Paris: M****on, 1934
Macrocephalitides from
southwestern Madagascar:
macrocephalitidae, eucycloceratidae, mayaitidae.
Crops from the É mission. B****e, 1930-31...
- the late
Middle Jur****ic
belonging to the
stephanoceratoid family Macrocephalitidae. It is
known from
southern Alaska, Greenland, Mexico, and Argentina...
