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Porterfieldia fisheri

Trilobita - Olenida - Olenidae

Taxonomy
Triarthrus fischeri was named by Billings (1865) [Lectotype selected by Whittington 1965. Paralectotypes: GSC 678a, b, c-i]. Its type specimen is GSC 678c (lectotype), a cephalon/head (cranidium), and it is a 3D body fossil.

It was recombined as Porterfieldia fisheri by Ludvigsen and Tuffnell (1983).

Synonymy list
YearName and author
1865Triarthrus fischeri Billings p. 291
1925Triarthrus fischeri Raymond pp. 51 - 52
1983Porterfieldia fisheri Ludvigsen and Tuffnell p. 573

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderOlenida
familyOlenidaeBurmeister 1843
subfamilyOleninaeBurmeister 1843
genusPorterfieldia
speciesfisheri(Billings 1865)

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.

†Porterfieldia fisheri Billings 1865
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Diagnosis
No diagnoses are available