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Pentagonoceras spinosum
Taxonomy
Pentagonoceras spinosum was named by Zhao et al. (1978). Its type specimen is NIGP 14946 and is a 3D body fossil. Its type locality is Mao'ertang Section, Dalong Fm, Shangsi, Guangyuan County, which is in a Changhsingian deep-water siliciclastic in the Dalong Formation of China.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1978 | Pentagonoceras spinosum Zhao et al. p. 158 figs. Pl 30, figs 1-3; text-fig 104 |
2002 | Pentagonoceras spinosum Leonova |
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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.
†Pentagonoceras spinosum Zhao et al. 1978
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Diagnosis
No diagnoses are available