After Clarkson, 1998 [based on House, 1988], Nied´zwiedzki, Salamon & Boczarowski, 2001, Hsiung, 2002- [“Les Fossiles”] and Work & Boardman, 2003
This is not for a long way a perfect presentation of diversity and sheer numbers of Ancyloceratid taxons. If any one has additional material and phylogeny and species... Please contact me... I simply don't have time to cypher out all of them... :-[
<==o †Ancyloceratida Wiedmann, 1966 [Ankyloceratina Wiedmann, 1966] |?- †Allocrioceras |?- †Crioceratites |?- †Hamites |?- †Hyphantoceras |?- †Paracrioceras |?- †Pseudothurmannia |?- †Ptychoceras |--o Ancyloceratoidea [Ancylocerataceae] | `-- †Ancyloceras |--o Deshayesitoidea [Deshayesitaceae] | `?-o †Deshayesitidae [also treated as Ammonitida: Desmoceratoidea] | |-- †Deshayesites | `-- †Dufrenoyia |--o Douvilleiceratoidea [Douvilleicerataceae] | `?-o †Douvilleiceratidae [also treated as Ammonitida: Desmoceratoidea] | |-- †Cheloniceras | `-- †Douvilleiceras |--o †Scaphitoidea Gill, 1871 [Scaphitaceae] | `--o †Scaphitidae | `--o †Scaphitinae Gill, 1871 | |-- †Scaphites | `--o †Discoscaphites Meek, 1871 | |-- †D. conradi (Morton, 1834) [Ammonites conradi Morton, 1834] | |-- †D. gulosus (Morton, 1834) [Ammonites conradi var. petechialis Morton, 1834; Ammonites conradi var. gulosus Morton, 1834; Ammonites conradi var. navicularis Morton, 1834; Discoscaphites gulosus (Morton) Landman & Waage, 1993; Discoscaphites gulosus (Morton) Cobban & Kennedy, 1995; Discoscaphites gulosus (Morton) Kennedy et al., 1997; Discoscaphites gulosus (Morton) Landman et al, 2004] | |-- †D. iris (Conrad, 1858) [Scaphites iris Conrad, 1858; Scaphites iris Conrad; Whitfield, 1892; Discoscaphites iris (Conrad) Stephenson, 1955; Discoscaphites iris (Conrad) Kennedy & Cobbam, 2000; Discoscaphites iris (Conrad) Landman et al., 2004] | |-- †D. sphaeroidalis Kennedy & Cobban, 2000 | `-- †D. minardi Landman et al., 2004 `--o †Turrilitoidea Gill, 1871 [Turrilitaceae] |?- †Turrilites `--o †Baculitidae Gill, 1871 [Eubaculitinae Brunnschweiler, 1966] |-- †Baculites `--o †Eubaculites Spath, 1926 |-- †E. otacodensis (Stoliczka, 1866) [taxonomic history] |-- †E. carinatus (Morton, 1834) [taxonomic history] `-- †E. latecarinatus (Brunnschweiler, 1966) [taxonomic history]
Reference(s):
- Clarkson, E. N. K., 1998: Invertebrate paleontology and evolution.
–Blackwell Science, 1998, xvi-452 - Hsiung, D., 2002: Ammonoidea.
–iNet: Denis Hsiung's Les Fossiles: http://www.fossiles.be/ammo1.htm - Landman, N. H., Johnson, R. O. & Edwards, L. E., 2004: Cephalopods from the Cretaceous/Tertiary boundary interval on the Atlantic Coastal Plain, with a description of the highest Ammonite zones in North America.
Part 2. Northeastern Monmouth County, New Jersey.
–Bulletin of the American Museum of Natural History: #287, pp. 1-107 - Nied´zwiedzki, R., Salamon, M. & Boczarowski, A., 2001: New data on the ceratites from the Upper Muschelkalk in Holy Cross Mountains (SE Poland).
–Freiberger Forschungshefte: #492, pp. 85-98 - Work, D. M. & Boardman, D. R., 2003: Mapesites, a new Upper Pennsylvanian (Lower Virgilian) ammonoid from Kansas.
–Journal of Paleontology: Vol. 77, #6, pp. 1195-1197