Douvilleiceratidae

Cheloniceras cornuelianum, from here.

Belongs within: Stephanocerataceae.

The Douvilleiceratidae are evolute ammonites known from the Barremian to the Middle Albian of the Lower Cretaceous (Wright et al. 1996).

Characters (from Wright et al. 1996): Evolute; whorl section ranging from depressed to circular or polygonal; ribs strong, with various combinations of umbilical, lateral, or ventrolateral tubercles. Suture with massive saddle L/E, wide L subdivided into two lobes, and no to few auxiliaries.

<==Douvilleiceratidae
|--RoloboceratinaeWCH96
| |--Paraspiticeras Kilian 1910W69, WCH96
| | |--*P. percevali (Uhlig 1883) [=Aspidoceras percevali]WCH96
| | `--P. schindewolfiWK81
| |--Roloboceras Casey 1954WCH96
| | `--*R. hambrovi (Forbes 1845) [=Ammonites hambrovi]WCH96
| `--Megatyloceras Humphrey 1949WCH96
| |--*M. coronatum (Rouchadzé 1933) [=Douvilleiceras coronatum]WCH96
| `--M. ricordeanumWCH96
`--+--+--Astiericeras Parona & Bonarelli 1897W69, WCH96 [Astiericeratidae]
| | `--*A. astierianum (Orbigny 1842) [=Scaphites astierianus]WCH96
| `--DouvilleiceratinaeWCH96
| |--Eodouvilleiceras Casey 1961WCH96
| | `--*E. horridum (Riedel 1938) [=Douvilleiceras horridum]WCH96
| `--Douvilleiceras Grossouvre 1894W69, WCH96 [incl. Trinitoceras Scott 1940WCH96]
| |--*D. mammillatum (von Schlotheim 1813)WCH96, KK08 [=Ammonites mammillatusWCH96]
| |--D. clementianum (d’Orbigny 1841)KK08
| |--D. inaequinodum (Quenstedt 1849)KK08
| |--D. monileWCH96
| |--D. orbignyi Hyatt 1903KK08
| |--*Trinitoceras’ rex Scott 1940WCH96
| `--D. scabrosum Casey 1962KK08
`--CheloniceratinaeWCH96
|--Walpenites Casey 1962WCH96
| `--*W. tardespinatus Casey 1962WCH96
|--Procheloniceras Spath 1923WCH96
| |--*P. stobieckii (Orbigny 1850) [=Ammonites stobieckii]WCH96
| `--P. albrechtiaustriaeWCH96
|--Vectisites Casey 1962 [incl. Zambranoites Etayo Serna 1979]WCH96
| |--*V. caprotinus Casey 1962WCH96
| `--V. zambranoi Etayo Serna 1979 [=V. (*Zambranoites) zambranoi]WCH96
|--Diadochoceras Hyatt 1900 (see below for synonymy)WCH96
| |--*D. nodosocostatum (Orbigny 1841) [=Ammonites nodosocostatus]WCH96
| |--*Paracanthoplites’ meridionalis Stoyanow 1949WCH96
| |--‘Ammonites’ pretiosus Orbigny 1841 [=*Vergunniceras pretiosum]WCH96
| `--*Nodosohoplites’ subplanatus Egoian 1965WCH96
`--Cheloniceras Hyatt 1903W69, WCH96
| i. s.: C. subcornuerianumK79
| C. subnodosocostatumWCH96
|--C. (Cheloniceras)WCH96
| |--*C. (C.) cornuelianum (Orbigny 1841) [=Ammonites cornuelianus]WCH96
| |--C. (C.) meyendorfiK79
| `--C. (C.) parinodumK79
|--C. (Epicheloniceras Casey 1954)WCH96
| |--C. (*E.) tschernyschewi (Sinzow 1906) [=Douvilleiceras tschernyschewi]WCH96
| |--C. (E.) buxtorfiK79
| |--C. (E.) debileK79
| |--C. (E.) gracileK79
| `--C. (E.) martinioidesR81
`--C. (Paracheloniceras Collignon 1962)WCH96
`--C. (*P.) wrighti (Collignon 1962) [=Epicheloniceras (*P.) wrighti]WCH96

Diadochoceras Hyatt 1900 [incl. Nodosohoplites Egoian 1965, Paracanthoplites Stoyanow 1949, Vergunniceras Thomel 1980]WCH96

*Type species of generic name indicated

References

[K79] Kauffman, E. G. 1979. Cretaceous. In: Robison, R. A., & C. Teichert (eds) Treatise on Invertebrate Paleontology pt A. Introduction. Fossilisation (Taphonomy), Biogeography and Biostratigraphy pp. A418–A487. The Geological Society of America, Inc.: Boulder (Colorado), and The University of Kansas: Lawrence (Kansas).

[KK08] Kennedy, W. J., & H. C. Klinger. 2008. Cretaceous faunas from Zululand and Natal, South Africa. The ammonite subfamily Lyelliceratinae Spath, 1921. African Natural History 4: 57–111.

[R81] Rawson, P. F. 1981. Early Cretaceous ammonite biostratigraphy and biogeography. In: House, M. R., & J. R. Senior (eds) The Ammonoidea: The evolution, classification, mode of life and geological usefulness of a major fossil group pp. 499–529. Academic Press.

[W69] Wiedmann, J. 1969. The heteromorphs and ammonoid extinction. Biological Reviews 44: 563–602.

[WK81] Wiedmann, J., & J. Kullmann. 1981. Ammonoid sutures in ontogeny and phylogeny. In: House, M. R., & J. R. Senior (eds) The Ammonoidea: The evolution, classification, mode of life and geological usefulness of a major fossil group pp. 215–255. Academic Press.

[WCH96] Wright, C. W., J. H. Calloman & M. K. Howarth. 1996. Treatise on Invertebrate Paleontology pt L. Mollusca 4, revised vol. 4. Cretaceous Ammonoidea. The Geological Society of America, Inc.: Boulder (Colorado), and The University of Kansas: Lawrence (Kansas).

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