Stephanoceratoidea, formerly Stephanocerataceae, is a superfamily of middle- upper Jurassic ammonoid cephalopods within the order Ammonitida containing...

families combined into superfamilies. Some like the Hildoceratoidea and Stephanoceratoidea are restricted to the Jurassic. Others like the Hoplitoidea and Acanthoceratoidea...

Jurassic. Superfamilies from the Middle and Upper Jurassic include the Stephanoceratoidea, Perisphinctoidea, and Haploceratoidea; the Perisphinctoidea and Haploceratoidea...

Cadomites is an extinct ammonite genus from the superfamily Stephanoceratoidea that lived during the Middle Jurassic (upper Bajocian – lower Callovian)...

family Stephanoceratidae, which is part of the ammonitid superfamily Stephanoceratoidea, that lived during the early Middle Jurassic. Phaulostephanus is a...

Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Suborder: Ammonitina Superfamily: Stephanoceratoidea Family: Otoitidae Genus: Arkelloceras...

family of marine invertebrate animals belonging to the superfamily Stephanoceratoidea, order Ammonitida. The Macrocephalitidae is one of the 11 families...

Phylum: Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Stephanoceratoidea Family: Stephanoceratidae Genus: Duashnoceras...

Phylum: Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Stephanoceratoidea Family: Stephanoceratidae Genus: Garantiana...

(1957) in the Treatise wherein the Pachyceridae is included in the Stephanoceratoidea, derived from the Tulitidae and giving rise to the Mayaitidae. Genera...

family Otoitidae which makes up part of the ammonite superfamily Stephanoceratoidea. Docidoceras has a broad, finely ribbed, evolute shell with a depressed...

Otoitidae, a family which makes up part of the ammonitid superfamily, Stephanoceratoidea. Frogdenites has an evolute globular shell with a deep umbilicus and...

smooth depression running along the rim. Kosmoceras belongs to the Stephanoceratoidea and is the type genus for the Family Kosmoceratidae and for the subfamily...

Cardioceratidae is an extinct ammonite family belonging to the superfamily Stephanoceratoidea. These fast-moving nektonic carnivores lived during the Middle-Late...

Phylum: Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Stephanoceratoidea Family: Spiroceratidae Genus: Parastrenoceras...

from the lower Callovian (upper Middle Jurassic) included in the Stephanoceratoidea. Inner whorls are finely ribbed and have a flattened or grooved venter...

family Stephanoceratidae, true ammonites, which is contained in the Stephanoceratoidea. It is probably synonymous with the better known Garantiana Hlawiceras...

Quenstedtoceras, included in the superfamily Stephanocerataceae, now revised to Stephanoceratoidea, is first of the subfamily Cardioceratinae, derived from Cadoceras...

a subfamily in the Eoderoceratoidean family, Polyorphitidae. The Stephanoceratoidea, Perisphinctoidea, and Haploceratoidea have their source in the Hammatoceratidae...

the ammonoid family Sphaeroceratidae, a member of the superfamily Stephanoceratoidea, that lived during middle of the Jurassic Period. Labtrinthoceras...

Skirroceras bayleanum is a Stephanoceratacean (ammonite) species belonging to the family Stephanoceratidae. These fast-moving nektonic carnivores lived...

Phylum: Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Stephanoceratoidea Family: Cardioceratidae Genus: Cranocephalites...

genus Phlycticeras. Although there seems to be some affinity with Stephanoceratoidea it is most likely descended from some bathonian member of the Oppeliinae...

Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Stephanoceratoidea Family: Macrocephalitidae Genus: Indocephalites Spath, 1926...

Abbasites was included in the Otoitidae, the ancestral family of the Stephanoceratoidea, according to Westermann (1965) and Imlay (1984) but was previously...

Subclass: Ammonoidea Order: Ammonitida Suborder: Ammonitina Superfamily: Stephanoceratoidea Family: Thomboceratidae Genus: Ermoceras Species Ermoceras deserti...

Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Superfamily: †Stephanoceratoidea Family: †Kosmoceratidae Haug, 1887 Species Gulielmites Kepplerites...

Stephanoceratidae is a family of planulate and coronate ammonites within the Stephanoceratoidea. Shells are evolute so that all whorls are exposed and have strong...

Skirroceras is a Stephanoceratacean (ammonite) genus belonging to the family Stephanoceratidae. These fast-swimming carnivores lived during the Jurassic...

Binneyitinae was added by Donovan et al, 1981, transferred from the Stephanoceratoidea. D.T Donavan, J.H. Callomon, and M.K Howarth. 1981. Classification...