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Ancyloceratidae is a
family of
heteromorphic ammonites that
lived during the
Early Cretaceous.
Their s****
begin as a
loose spiral with
whorls not touching...
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Ancyloceratina Superfamily Ancyloceratoidea Family Acrioceratidae Family Ancyloceratidae Family Bochianitidae Family Crioceratitidae Family Hamulinidae Family...
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Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Family: †
Ancyloceratidae Genus: †Ancyloceras d'Orbigny, 1842
Species See text...
- part of the
Early Cretaceous,
Aptian stage,
included in the
family Ancyloceratidae.
Australiceras has an
evolute s****,
coiled with all
whorls showing...
- and
heavy hooked Ancyloceratidae.
Although resembling Acrioceras in
general form,
Toxancyloceras is
included in the
Ancyloceratidae where it
resides as...
- to the Ancyloceratoidea.
Crioceratites was
formerly included in the
Ancyloceratidae, in the
subfamily Crioceratinae which was
subsequently elevated in...
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Acanthoptychoceras is an
extinct genus of
ammonites belonging to the
family Ancyloceratidae.
Acanthoptychoceras spinatocostatum Manolov, 1962
Fossils of Acanthoptychoceras...
- and Cochidites. The family, Heteroceratidae, is a
derivative of the
Ancyloceratidae.
Paleontology portal Wright, C. W. with Callomon, J.H. and Howarth...
- superfamilies. Arkell, et al. (1957) in the
Treatise Part L
included just the
Ancyloceratidae M**** 1876,
Bochianitidae Spath 1922,
Hemihoplitidae Spath 1924, and...
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during the
Early Cretaceous. As with many
other members of the
family Ancyloceratidae,
there was a
trend among species within this
genus to
uncoil somewhat...
