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Mercaticeras
Taxonomy
Mercaticeras is a genus. It is not extant.
It was assigned to Ammonoidea by Sepkoski (2002); and to Hildoceratinae by Howarth (2013).
It was assigned to Ammonoidea by Sepkoski (2002); and to Hildoceratinae by Howarth (2013).
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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. †Mercaticeras
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†Mercaticeras dilatatum Meneghini 1883
†Mercaticeras dilatum Meneghini 1883
†Mercaticeras hellenicum Renz 1906
†Mercaticeras humeralis Merla 1933
†Mercaticeras mercati Hauer 1856
†Mercaticeras rursicostatum Merla 1932
†Mercaticeras thyrrenicum Fucini 1905
†Mercaticeras umbilicatum Buckman 1913
Diagnosis
No diagnoses are available