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Ptychagnostus punctuosus
Taxonomy
Agnostus punctuosus was named by Angelin (1851) [TYPE LOCALITY: Sweden (Cambrian). HISTORY: Original designation.].
It was recombined as Ptychagnostus punctuosus by Kobayashi (1939).
It was recombined as Ptychagnostus punctuosus by Kobayashi (1939).
Synonymy list
Year | Name and author |
---|---|
1851 | Agnostus punctuosus Angelin |
1939 | Ptychagnostus punctuosus Kobayashi |
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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.
†Ptychagnostus punctuosus Angelin 1851
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Diagnosis
No diagnoses are available