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Acrioceratidae
Taxonomy
Acrioceratidae was named by Vermeulen (2004).
It was assigned to Ancyloceratoidea by Klein et al. (2007) and Lehmann et al. (2020); and to Ammonitida by Frau and Bulot (2023).
It was assigned to Ancyloceratoidea by Klein et al. (2007) and Lehmann et al. (2020); and to Ammonitida by Frau and Bulot (2023).
Synonyms
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Synonymy list
Year | Name and author |
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1864 | Ptychoceras aequicostatus Gabb p. 74 figs. PI. 13, Fig. 20. |
1869 | Helicancylus aequicostatus Gabb p. 141 figs. PL 25, Fig. 20 a g |
1869 | Helicancylus Gabb p. 149 |
1894 | Helicancylinae Hyatt |
1902 | Hamites (Ptychoceras) aequicostatum Anderson p. 90 |
1938 | Hamiticeras aequicostatum Anderson pp. 216 - 217 figs. Plate 37, figures 2, 2a, 3; plate 79, figure 6 |
1970 | Paraleptoceras Leanza |
1986 | Helicancylinae Aguirre-Urreta p. 280 |
1986 | Helicancylus Aguirre-Urreta p. 283 |
2002 | Helicancylus Sepkoski |
2004 | Acrioceratidae Vermeulen |
2007 | Acrioceratidae Klein et al. p. 94 |
2020 | Acrioceratidae Lehmann et al. p. 330 |
2023 | Acrioceratidae Frau and Bulot p. 3 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. †Acrioceratidae Vermeulen 2004
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G. †Hamiticeras Anderson 1938
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†Hamiticeras chipatai Kakabadze and Hoedemaeker 1997
†Hamiticeras philadelphium Anderson 1938
†Hamiticeras pilsbryi Anderson 1938
G. †Hoplocrioceras Spath 1924
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†Hoplocrioceras duncanense Anderson 1938
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Invalid names: Hoplocrioceras onoense Anderson 1938 [synonym]
†Hoplocrioceras remondi Gabb 1864
Invalid names: Helicancylinae Hyatt 1894 [invalid subgroup], Helicancylus Gabb 1869 [nomen nudum], Helicancylus aequicostatus Gabb 1864 [nomen nudum]
Diagnosis
No diagnoses are available