-
Harpoceratinae is an
extinct subfamily of
cephalopods belonging to the
family Hildoceratidae.
Ammonites of this
subfamily had
involute and
compressed s****...
- †Ammonoidea Order: †Ammonitida Family: †Hildoceratidae Subfamily: †
Harpoceratinae Genus: †Harpoceras
Waagen 1869 Type
species Ammonites falcifer Sowerby...
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Paleontological Research, 2003, 7.3: 185-194. Marc BÉCAUD (2006) LES
HARPOCERATINAE,
HILDOCERATINAE ET
PARONICERATINAE DU
TOARCIEN DE LA VENDÉE ET DES DEUX-SÈVRES...
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about its origin.
Formerly has been suggested, that it has
evolved from
Harpoceratinae, but
possible predecessor can be also in
genus Protogrammoceras. Perharps...
- Protogrammoceratinae,
which has been by
Donovan et al. (1981)
considered as part of
Harpoceratinae. The
Hildoceratidae are
derived from the Polymorphitidae, a
family in...
-
OCCIDENTALE AU
COURS DU TOARCIEN. 2011. PhD Thesis. BÉCAUD, Marc. Les
Harpoceratinae,
Hildoceratinae et
Paroniceratinae du
Toarcien de la Vendée et des Deux-Sèvres...
- †Ammonoidea Order: †Ammonitida Family: †Hildoceratidae Subfamily: †
Harpoceratinae Genus: †Ovaticeras Buckman, 1918 Type
species Ammonites ovatus Young...
- †Ammonoidea Order: †Ammonitida Family: †Hildoceratidae Subfamily: †
Harpoceratinae Genus: †Tiltoniceras Buckman, 1913 Type
species Tiltoniceras costatum...
-
Harpoceras H. sp.
Mount Brughetto Mount Cornizzolo S**** Type
genus of the
Harpoceratinae ammonite family Hildaites H. sp.
Mount Brughetto Mount Cornizzolo S****...
- †Ammonoidea Order: †Ammonitida Family: †Hildoceratidae Subfamily: †
Harpoceratinae Genus: †Sphenarpites Spath, 1936 Type
species Sphenarpites hawkinsi...
