Classification of Jain 2017

G. †Collotia
show all
Collotia fraasi Oppel 1857
show all
Orionoides anguinus Spath 1931
show all
Subg. †Peltoceras (Peltoceras) Waagen 1871
hide
Superfm. †Haploceratoidea Zittel 1884
show all
Fm. †Strigoceratidae Buckman 1914
hide
Subfm. †Phlycticeratinae Spath 1928
hide
hide
Phlycticeras polygonium Zieten 1831
hide
Invalid names: Amaltheus schaumburgi Waagen 1873 [synonym]
Superfm. †Perisphinctoidea Steinman 1890
show all
Fm. †Pachyceratidae Buckman 1918
hide
hide
Pachyerymnoceras jarryi Douvillé 1912