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Hypagnostus brevifrons

Trilobita - Agnostida - Spinagnostidae

Taxonomy
Agnostus brevifrons was named by Angelin (1851). It is not extant.

It was recombined as Hypagnostus brevifrons by Peng and Robison (2000).

Sister species lacking formal opinion data

View classification of included taxa

Synonyms
Synonymy list
YearName and author
1851Agnostus brevifrons Angelin
1960Hypagnostus kendectasicus Kryskov
1977Hypagnostus brachydolonus Zhou and Yang
1993Acadagnostus transversus Yang et al.
1993Hypagnostus parabrevifrons Yang et al.
2000Hypagnostus brevifrons Peng and Robison

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderAgnostidaSalter 1864
familySpinagnostidaeHowell 1935
genusHypagnostusJaeckel 1909
speciesbrevifrons(Angelin 1851)

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