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Paractinoceras
Taxonomy
Actinoceras (Paractinoceras) was named by Hyatt (1900).
It was reranked as Paractinoceras by Teichert et al. (1964), Crick (1981) and Sepkoski (2002).
It was assigned to Actinoceras by Hyatt (1900); to Actinoceratidae by Teichert et al. (1964) and Crick (1981); and to Actinocerida by Sepkoski (2002).
It was reranked as Paractinoceras by Teichert et al. (1964), Crick (1981) and Sepkoski (2002).
It was assigned to Actinoceras by Hyatt (1900); to Actinoceratidae by Teichert et al. (1964) and Crick (1981); and to Actinocerida by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1900 | Actinoceras (Paractinoceras) Hyatt p. 525 |
1964 | Paractinoceras Teichert et al. p. 204 |
1981 | Paractinoceras Crick p. 227 |
2002 | Paractinoceras Sepkoski |
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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.
Diagnosis
No diagnoses are available