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Progonoceratites
Taxonomy
Progonoceratites was named by Schrammen (1928) [Sepkoski's age data: Tr Ladi-l Sepkoski's reference number: 302]. It is not extant. Its type is Ceratites atavus.
It was assigned to Ceratitidae by Spath (1934); to Ceratitinae by Tozer (1981); and to Ceratitida by Sepkoski (2002).
It was assigned to Ceratitidae by Spath (1934); to Ceratitinae by Tozer (1981); and to Ceratitida by Sepkoski (2002).
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. †Progonoceratites Schrammen 1928
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†Progonoceratites atavus Philippi 1901
†Progonoceratites discus Riedel 1918
†Progonoceratites flexuosus Philippi 1901
†Progonoceratites laevis Riedel 1918
†Progonoceratites nanjiangensis Zhao and Wang 1974
†Progonoceratites pengshuiensis Zhao and Wang 1974
†Progonoceratites philippii Riedel 1918
†Progonoceratites primitivus Riedel 1918
†Progonoceratites pulcher Riedel 1916
†Progonoceratites sequens Riedel 1918
†Progonoceratites wanyuanensis Zhao and Wang 1974
Invalid names: Caloceratites Schrammen 1928 [synonym], Campyloceratites Schrammen 1928 [synonym], Hadroceratites Schrammen 1928 [synonym], Leioceratites Schrammen 1928 [synonym]
Diagnosis
No diagnoses are available