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Pentagnostus praecurrens
Taxonomy
Agnostus gibbus praecurrens was named by Westergård (1936). It is not extant.
It was recombined as Triplagnostus praecurrens by Bognibova (1965); it was recombined as Ptychagnostus praecurrens by Robison (1982); it was recombined as Agnostus praecurrens by Westrop et al. (1996); it was recombined as Pentagnostus praecurrens by Laurie (2004) and Naimark and Pegel (2017).
It was recombined as Triplagnostus praecurrens by Bognibova (1965); it was recombined as Ptychagnostus praecurrens by Robison (1982); it was recombined as Agnostus praecurrens by Westrop et al. (1996); it was recombined as Pentagnostus praecurrens by Laurie (2004) and Naimark and Pegel (2017).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Agnostus gibbus praecurrens Westergard |
| 1936 | Agnostus gibbus praecurrens Westergård pp. 29 - 30 figs. pl. 1, figs 19-23 |
| 1965 | Triplagnostus praecurrens Bognibova pp. 63-64 figs. pl. 1, figs 13-16 |
| 1982 | Ptychagnostus praecurrens Robison |
| 1996 | Agnostus praecurrens Westrop et al. p. 812 |
| 2004 | Pentagnostus praecurrens Laurie |
| 2017 | Pentagnostus praecurrens Naimark and Pegel p. 1186 |
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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.
†Pentagnostus praecurrens Westergård 1936
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Diagnosis
No diagnoses are available