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Guidonia
Taxonomy
Guidonia is a genus. It is not extant.
It was assigned to Trochonematidae by Erwin (1994); and to Archaeogastropoda by Sepkoski (2002).
It was assigned to Trochonematidae by Erwin (1994); and to Archaeogastropoda by Sepkoski (2002).
Species lacking formal opinion data
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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. †Guidonia
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†Guidonia bifasciata Haas 1953
†Guidonia intermedia Haas 1953
†Guidonia parvula Haas 1953
†Guidonia peruviana Haas 1953
†Guidonia planetecta Haas 1953
†Guidonia pseudorotula Gatto and Monari 2010
Diagnosis
No diagnoses are available