Scaphitidae is a family of extinct

cephalopod A cephalopod is any member of the molluscan class Cephalopoda (Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head ...

s belonging to the family of heteromorph

ammonite Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttlefish) ...

s (suborder

Ancyloceratina The Ancyloceratina were a diverse suborder of ammonite most closely related to the ammonites of order Lytoceratina. They evolved during the Late Jurassic but were not very common until the Cretaceous period, when they rapidly diversified and beca ...

). There is a possible fossil record of them being the last ammonites with fossils dating to the

Danian The Danian is the oldest age or lowest stage of the Paleocene Epoch or Series, of the Paleogene Period or System, and of the Cenozoic Era or Erathem. The beginning of the Danian (and the end of the preceding Maastrichtian) is at the Cretaceous� ...

of the

Paleocene The Paleocene, ( ) or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya). It is the first epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), E ...

Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Danish Realm, Kingdom of Denmark ...

The Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

The US The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

and

Turkmenistan Turkmenistan ( or ; tk, Türkmenistan / Түркменистан, ) is a country located in Central Asia, bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the sout ...

Genera

Scaphitidae Gill, 1871 *Subfamily Otoscaphitinae Wright, 1953 **''

Yezoites ''Yezoites'' is an extinct genus of ammonites placed in the family Scaphitidae. The genus is known lived during the Upper Cretaceous and was first described in 1910. The genus contains five species, ''Y. bladenensis'', ''Y. orbignyi'', ''Y. pla ...

'' Yabe, 1910 *Subfamily Scaphitinae Gill, 1871 **''

Acanthoscaphites ''Acanthoscaphites'' is an extinct genus of cephalopod belonging to the Ammonite subclass. The average diameter of its shell was approximately , but some specimens have been found with a diameter of slightly over . Classification ''Acanthoscaph ...

'' Nowak, 1911 **''

Clioscaphites ''Clioscaphites'' is an extinct genus of ammonite belonging to the family Scaphitidae. Species in this genus are important index fossils of the Western Interior Seaway of the Coniacian to Santonian Ages of the Cretaceous The Cretaceous ( ) ...

'' Cobban, 1951 **''

Discoscaphites ''Discoscaphites '' is an extinct genus of ammonite. This genus may have been one of the few to have briefly survived the K-Pg mass extinction. Distributions Cretaceous of Greenland, Alabama, Arkansas, California, Colorado, Kansas, Maryland, ...

'' Meek, 1870 **'' Eoscaphites'' Breistroffer, 1947 **''

Hoploscaphites ''Hoploscaphites'' is an extinct ammonite genus from the Upper Cretaceous and the Lower Paleocene, included in the family Scaphitidae. Morphology It is considered by some to be a subgenus of ''Scaphites''. Like ''Scaphites'' the shell of ''Hop ...

'' Nowak, 1911 **'' Indoscaphites'' Spath, 1953 **''

Jeletzkytes ''Jeletzkytes'' is an extinct genus of scaphatoid ammonite from the Upper Cretaceous (Maastrichtian) of North America named and described by Riccardi, 1983. In overall form ''Jeletzkytes'' closely resembles the genus ''Scaphites ''Scaphites' ...

'' Riccardi, 1983 **'' Ponteixites'' Warren, 1934 **''

Rhaeboceras ''Rhaeboceras'' is an extinct genus of ammonite belonging to the subfamily Scaphitinae. Species belonging to the genus lived during the Cretaceous and have been found in the Pierre Shale The Pierre Shale is a geologic formation or series in ...

'' Meek, 1876 **''

Scaphites ''Scaphites'' is a genus of heteromorph ammonites belonging to the Scaphitidae family. They were a widespread genus that thrived during the Late Cretaceous period. Morphology ''Scaphites'' generally have a chambered, boat-shaped shell. The init ...

'' Parkinson, 1811 **'' Trachyscaphites'' Cobban & Scott, 1964 *Subfamily ''Incertae sedis'' **'' Worthoceras'' Adkins, 1928Paleobiology Database
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References

Ammonitida families {{Ammonitida-stub