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Acernaspis elliptifrons

Trilobita - Phacopida - Phacopidae

Taxonomy
Trilobites elliptifrons was named by Esmark (1833).

It was recombined as Phacops elliptifrons by Størmer (1939); it was recombined as Acernaspis elliptifrons by Campbell (1967).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1833Trilobites elliptifrons Esmark
1939Phacops elliptifrons Størmer pp. 122 - 123 figs. Text- flg. 2, 6, 7. Pl. l, flg. 2-4
1967Acernaspis elliptifrons Campbell p. 32

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderPhacopinaStruve 1959
superfamilyPhacopoideaHupe 1953
familyPhacopidaeHawle and Corda 1847
genusAcernaspisCampbell 1967
specieselliptifrons(Esmark 1833)

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.

Acernaspis elliptifrons Esmark 1833
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Diagnosis
No diagnoses are available