Current Taxonomic Status of Late Cretaceous Ammonoid Species from the Western Interior Seaway Assigned to the Family Anisoceratidae (Ancyloceratina: Turrilitaceae)

Jonathan R. Hendricks

Paleontological Research Institution, Ithaca, New York

Note: Names in green are accepted; names in red are synonyms. Return to main list here. This page was last updated May 22, 2017.

Class Cephalopoda

Order Ammonoidea Zittel, 1884

Suborder Ancyloceratina Wiedmann, 1966

Duration: Lower Tithonian to Upper Maastrichtian (Wright et al., 1996)

Superfamily Turrilitaceae Gill, 1871

Duration: ?Upper Aptian to Upper Maastrichtian (Wright et al., 1996)

Family Anisoceratidae Hyatt, 1900

Duration: ?Upper Aptian to ?Campanian (Source: Wright et al., 1996).

PaleoDB taxon number: 96545.

Genus Anisoceras Pictet, 1854

Type species: Hamites saussureanus Pictet, 1847

Duration: Upper Albian to Upper Turonian (Wright et al., 1996).

PaleoDB taxon number: 14564.