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Pentagnostus praecurrens

Trilobita - Agnostida - Ptychagnostidae

Taxonomy
Agnostus gibbus praecurrens was named by Westergard (1936). It is not extant.

It was recombined as Ptychagnostus praecurrens by Robison (1982); it was recombined as Pentagnostus praecurrens by Laurie (2004).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1936Agnostus gibbus praecurrens Westergard
1982Ptychagnostus praecurrens Robison
2004Pentagnostus praecurrens Laurie

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderAgnostidaSalter 1864
familyPtychagnostidaeKobayashi 1939
genusPentagnostusLermontova 1940
speciespraecurrens(Westergard 1936)

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