Beudanticeratinae

Beudanticeras beudanti, copyright Jocelyn Falconnet.

Belongs within: Desmocerataceae.
Contains: Hoplitaceae.

The Beudanticeratinae are a Lower Cretaceous (Upper Barremian to Upper Albian) assemblage of high-whorled, compressed ammonites (Wright et al. 1996).

Characters (from Wright et al. 1996): Mainly compressed, high-whorled, and rather involute; smooth or with distinct ribs that may be raised into umbilical swellings; with or without constrictions.

<==BeudanticeratinaeWCH96
    |--Cophinoceras Whitehouse 1928 [incl. Beudantiella Breistroffer 1947]WCH96
    |    `--*C. ogilviei Whitehouse 1928WCH96
    |--Zuercherella Casey 1954 [incl. Corteziceras Etayo Serna 1979]WCH96
    |    |--*Z. zuercheri (Jacob & Tobler 1906) [=Desmoceras zuercheri]WCH96
    |    `--*Corteziceras’ cortezi Etayo Serna 1979WCH96
    |--Boliteceras Whitehouse 1928WCH96
    |    |--*B. daintreei (Etheridge 1872)WCH96 [=Ammonites daintreeiWCH96, Beudanticeras daintreeiF71, Haploceras daintreeiF71]
    |    `--B. perlatumF71
    |--+--HoplitaceaeWCH96
    |  `--Uhligella Jacob 1907WCH96
    |       `--*U. clansayensis (Jacob 1905) [=Desmoceras clansayense]WCH96
    `--Beudanticeras Hitzel 1902WCH96
         |  i. s.: B. glabrumK79
         |         B. revoiliK79
         |--B. (Beudanticeras) [incl. Rapidoplacenticeras Alabushev 1988]WCH96
         |    |--*B. (B.) beudanti (Brongniart in Cuvier & Brongniart 1822) [=Ammonites beudanti]WCH96
         |    `--‘Proplacenticeras’ sutherlandbrowni McLearn 1972 [=*Rapidoplacenticeras sutherlandbrowni]WCH96
         `--B. (Grantziceras Imlay 1961) [incl. Pseudorbulites Casey 1961]WCH96
              |--B. (*G.) multiconstrictum Imlay 1961WCH96
              `--B. (G.) convergens (Jacob 1908) [=Uhligella convergens, *Pseudorbulites convergens]WCH96

*Type species of generic name indicated

References

[F71] Fletcher, H. O. 1971. Catalogue of type specimens of fossils in the Australian Museum, Sydney. Australian Museum Memoir 13: 1–167.

[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).

[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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