Acanthoceratoidea

Forbesiceras largilliertianum, from here.

Belongs within: Brancoceratoidea.
Contains: Tegoceras, Calycoceras.

The Acanthoceratoidea are a Cretaceous group of usually strongly ribbed ammonites, with a tendency to develop prominent tubercles.

<==Acanthoceratoidea [Acanthocerataceae, Lyellicerataceae, Lyelliceratoidea] KK08a
    |  i. s.: Barroisiceras de Grossouvre 1894 EK02
    |           |--B. anilahyense K79
    |           `--B. haberfellneri K79
    |         Subprionocyclus TLY03
    |           |--S. neptuni TLY03
    |           `--S. normalis K79
    |--Forbesiceras Kossmat 1897 KK08c (see below for synonymy)
    |    |--*F. largilliertianum (d’Orbigny 1841) (see below for synonymy) KK08c
    |    |--F. baylissi Wright & Kennedy 1984 KK08c
    |    |--F. beaumontianum (d’Orbigny 1841) [=Ammonites beaumontianus] KK08c
    |    |--F. bicarinatum Szász 1976 KK08c
    |    |--F. brundrettei (Young 1958) KK08c
    |    |--F. chevillei (Pictet & Renevier 1866) (see below for synonymy) KK08c
    |    |--F. conlini Stephenson 1953 KK08c
    |    |--F. douvillei (Collignon 1929) [=Pulchellia (Neopulchellia) douvillei] KK08c
    |    |--F. flicki Pervinquière 1907 KK08c
    |    |--F. furnishi Collignon 1964 KK08c
    |    |--F. gignouxi (Collignon 1929) [=Pulchellia (*Neopulchellia) gignouxi] KK08c
    |    |--F. mikasaense Matsumoto 1986 KK08c
    |    |--F. obtectum (Sharpe 1853) KK08c
    |    |--F. pseudobtectum Collignon 1964 KK08c
    |    |--F. subobtectum (Stoliczka 1864) [=Ammonites subobtectus] KK08c
    |    |--F. tenuipunctatum Collignon 1964 KK08c
    |    `--F. varicostatum Zaborski 1990 KK08c
    |--Lyelliceratidae KK08a
    |    |  i. s.: Budaiceras K79
    |    |--Tegoceras KK08a
    |    `--+--Stoliczkaiinae [Neophlycticeratinae] KK08a
    |       |    |--Neophlycticeras madagascariensis K79
    |       |    `--Stoliczkaia K79
    |       |         |--S. africana K79
    |       |         |--S. clavigera K79
    |       |         |--S. crassa K79
    |       |         |--S. dispar K79
    |       |         |--S. grandidieri K79
    |       |         `--S. notha K79
    |       |--Salaziceras Breistroffer 1936 KK08b [Flickiidae KK08a, Salaziceratinae]
    |       |    |--*S. salazacense (Hébert & Munier-Chalmas 1875) [=Ammonites salazacensis] KK08b
    |       |    `--S. lemoinei Kennedy & Klinger 2008 KK08b
    |       `--Acanthoceratidae [Acanthoceratinae] KK08a
    |            |--Dunveganoceras K79
    |            |--Calycoceras K79
    |            |--Eucalycoceras K79
    |            |--Kanabiceras K79
    |            `--Acanthoceras KK08c
    |                 |--A. alvaradoense K79
    |                 |--A. amphibolum K79
    |                 |--A. amudariensis A03
    |                 |--A. beilense K79
    |                 |--A. jukesbrownei K79
    |                 |--A. muldoonense K79
    |                 |--A. rhotomagense KK08c
    |                 `--A. vicinale K79
    `--Collignoniceratidae K79
         |--Peroniceratinae K79
         |--Collignoniceratinae K79
         |    |--Reesidites minimus K79, TLY03
         |    |--Prionocyclus K79
         |    `--Collignoniceras Breistroffer 1947 EK02
         |         |--C. teshioensis K79
         |         `--C. woollgari K79
         `--Texanitinae K79
              |--Submortoniceras K79
              `--Texanites Spath 1932 EK02
                   |--T. americanus K79
                   |--T. hispanica K79
                   |--T. hourcqi K79
                   |--T. kawasakii K79
                   |--T. oliveti K79
                   |--T. pseudotexanus K79
                   |--T. shiloensis K79
                   |--T. stangeri K79
                   |    |--T. s. stangeri K79
                   |    `--T. s. densicostus K79
                   `--T. texanus K79
                        |--T. t. texanus K79
                        `--T. t. gallicus K79

Forbesiceras Kossmat 1897 KK08c [=Cenomanites Haug 1898 KK08c, Discoceras Kossmat 1895 non Barrande 1867 KK08c; incl. Neopulchellia Collignon 1929 KK08c; Forbesiceratidae, Forbesiceratinae KK08a]

Forbesiceras chevillei (Pictet & Renevier 1866) [=Ammonites chevillei; incl. F. almerae (Mallada 1891), F. clarki Collignon 1964, F. nodosum Crick 1907, F. sculptum Crick 1907] KK08c

*Forbesiceras largilliertianum (d’Orbigny 1841) [=Ammonites largilliertianus, *Cenomanites largilliertianus, *Discoceras largilliertianum] KK08c

*Type species of generic name indicated

REFERENCES

[A03] Alifanov, V. R. 2003. Two new dinosaurs of the infraorder Neoceratopsia (Ornithischia) from the Upper Cretaceous of the Nemegt Depression, Mongolian People’s Republic. Paleontologicheskii Zhurnal 2003 (5): 77–88 (transl. Paleontological Journal 37 (5): 524–534.)

[EK02] Engeser, T., & H. Keupp. 2002. Phylogeny of the aptychi-possessing Neoammonoidea (Aptychophora nov., Cephalopoda). Lethaia 35: 79–96.

[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).

[KK08a] Kennedy, W. J., & H. C. Klinger. 2008a. Cretaceous faunas from Zululand and Natal, South Africa. The ammonite subfamily Lyelliceratinae Spath, 1921. African Natural History 4: 57–111.

[KK08b] Kennedy, W. J., & H. C. Klinger. 2008b. Hypermorphosis in Salaziceras, a Cretaceous ammonite, from Madagascar. African Natural History 4: 113–116.

[KK08c] Kennedy, W. J., & H. C. Klinger. 2008c. Cretaceous faunas from Zululand and Natal, South Africa. The ammonite family Forbesiceratidae Wright, 1952. African Natural History 4: 117–130.

[TLY03] Tanabe, K., N. H. Landman & Y. Yoshioka. 2003. Intra- and interspecific variation in the early internal shell features of some Cretaceous ammonoids. Journal of Paleontology 77 (5): 876–887.