Ancyloceratidae is a family of heteromorphic ammonites that lived during the Early Cretaceous. Their shells begin as a loose spiral with whorls not touching...

Ancyloceratina Superfamily Ancyloceratoidea Family Acrioceratidae Family Ancyloceratidae Family Bochianitidae Family Crioceratitidae Family Hamulinidae Family...

part of the Early Cretaceous, Aptian stage, included in the family Ancyloceratidae. Australiceras has an evolute shell, 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...

California and Japan. Aegocrioceras was placed in the "Crioceratidae" (Ancyloceratidae, Crioceratinae) in Part L of the American Treatise on Invertebrate...

to the Ancyloceratoidea. Crioceratites was formerly included in the Ancyloceratidae, in the subfamily Crioceratinae which was subsequently elevated in...

Acanthoptychoceras is an extinct genus of ammonites belonging to the family Ancyloceratidae. Acanthoptychoceras spinatocostatum Manolov, 1962 Fossils of Acanthoptychoceras...

Crioceratidae were included in the American TreatisePart L, 1957, in the Ancyloceratidae as the subfamily Crioceratinae. It is now considered a distinct family...

overall form of the shell was more similar to the Crioceratidae than the Ancyloceratidae. The exact placement of Antarcticoceras remained uncertain because...

Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Family: †Ancyloceratidae Genus: †Ancyloceras d'Orbigny, 1842 Species See text...

Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Ancyloceratoidea Family: Ancyloceratidae Genus: Aspinoceras Anderson, 1938...

wound early portion, its form indicates it more likely belongs to the Ancyloceratidae.[citation needed] Shastoceras resembles Uhligia from the Lower Barremian...

Mollusca Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Family: †Ancyloceratidae Genus: †Pseudocrioceras Spath, 1924...

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...

Mollusca Class: Cephalopoda Order: Ammonitida Superfamily: Ancyloceratoidea Family: Ancyloceratidae Subfamily: Ancyloceratinae Genus: Uhligia Koenen, 1904...

Mordellidae Uhligia (ammonite), a genus of cephalopods in the family Ancyloceratidae This disambiguation page lists articles about distinct genera with...

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 Meek 1876, Bochianitidae Spath 1922, Hemihoplitidae Spath 1924, and...

as in Ancyloceras or Acrioceras, Ammonitoceras is included in the Ancyloceratidae. However neither do Australiceras or Tropaeum, which are also included...

a new genus of micromorphic heteromorph ammonite (Ancyloceratina, Ancyloceratidae)from the lower Aptian of Spain. Carnets de Géologie [Notebooks on Geology]...

a new genus of micromorphic heteromorph ammonite (Ancyloceratina, Ancyloceratidae)from the lower Aptian of Spain. Carnets de Géologie [Notebooks on Geology]...

I. M. Stenshin; I. A. Shumilkin; G. N. Uspensky (2014). "New Ancyloceratidae (Ammonoidea) from the Aptian of the Ulyanovsk region, Middle Volga"...

faunas from Zululand, South Africa, and southern Mozambique. The Aptian Ancyloceratidae (Ammonoidea). Annals of the South African Museum, 73(9), 215-359. Muir...

from the original coil. Lytocrioceras was originally included in the Ancyloceratidae (Lytoceratina), united with other similar forms but has since been...

a new genus of micromorphic heteromorph ammonite (Ancyloceratina, Ancyloceratidae) from the lower Aptian of Spain". Carnets de Géologie. Article 2013/02:...

S2CID 260404597. Delanoy, G.; Baudouin, C. (2023). "New data on the family Ancyloceratidae (Ammonoidea, Ancyloceratoidea) from the Upper Barremian/Lower Aptian...

Bert et al. Early Cretaceous (Barremian)  France  Spain A member of Ancyloceratidae. Transcaspiites transitionis Sp. nov Valid Mitta Early Cretaceous  Russia...

Baudouin; Antoine Pictet; Pierre Delattre; Emmanuel Penage (2017). "Ancyloceratidae (Ammonoidea, Ancyloceratoidea) nouveaux ou peu connus de l'Aptien inférieur...