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Hildoceras
Taxonomy
Hildoceras was named as a genus. It is not extant. It is the type genus of Hildoceratinae.
It was reranked as Harpoceras (Hildoceras) by Hug (1898).
It was assigned to Harpoceras by Hug (1898); to Ammonoidea by Sepkoski (2002); and to Hildoceratinae by Howarth (2013), Benzaggagh et al. (2022).
It was reranked as Harpoceras (Hildoceras) by Hug (1898).
It was assigned to Harpoceras by Hug (1898); to Ammonoidea by Sepkoski (2002); and to Hildoceratinae by Howarth (2013), Benzaggagh et al. (2022).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1886 | Goniohildoceras Seguenza |
| 1898 | Harpoceras (Hildoceras) Hug |
| 1967 | Urkutites Géczy |
| 2002 | Hildoceras Sepkoski |
| 2008 | Urkutites Géczy et al. |
| 2013 | Hildoceras Howarth p. 78 |
| 2022 | Hildoceras Benzaggagh et al. p. 16 |
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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.
G. †Hildoceras
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Subg. †Hildoceras (Lillia) Bayle 1878
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†Ammonites (Lillia) howelli White 1889
†Ammonites (Lillia) kialagvikensis White 1889
†Hildoceras ameuri Rulleau et al. 2001
†Hildoceras apertum Gabilly 1976
†Hildoceras bastiani Fucini 1905
†Hildoceras bifrons Bruguiere 1792
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Invalid names: Ammonites hildensis Young and Bird 1822 [synonym], Ammonites walcotii Sowerby 1815 [synonym], Hildoceras angustisiphonatum Prinz 1904 [synonym]
†Hildoceras caterinii Merla 1933
†Hildoceras crassa Mitzopoulos 1930
†Hildoceras crassum Mitzopoulos 1930
†Hildoceras graecum Renz 1912
†Hildoceras laticosta Bellini 1900
†Hildoceras lusitanicum Meister 1913
†Hildoceras semipolitum Buckman 1902
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Invalid names: Hildoceras semicosta Buckman 1926 [synonym]
†Hildoceras snoussi Elmi 1977
†Hildoceras sublevisoni Fucini 1919
†Hildoceras tethysi Geczy 1967
Invalid names: Goniohildoceras Seguenza 1886 [synonym], Urkutites Géczy 1967 [synonym]
Diagnosis
No diagnoses are available