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Fontannesia
Taxonomy
Fontannesia is a genus. It is not extant.
It was assigned to Ammonoidea by Sepkoski (2002); and to Witchelliinae by Howarth (2013).
It was assigned to Ammonoidea by Sepkoski (2002); and to Witchelliinae by Howarth (2013).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
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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. †Fontannesia
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†Fontannesia austroamericana Jaworski 1926
†Fontannesia montillanensis Linares and Sandoval 1988
Invalid names: Darellella Buckman 1904 [synonym], Nannina Buckman 1927 [synonym]
Diagnosis
No diagnoses are available