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Porterfieldia caecigena

Trilobita - Olenida - Olenidae

Taxonomy
Triarthrus caecigenus was named by Raymond (1920). Its type specimen is MCZ 1593, an exoskeleton, and it is a 3D body fossil.

It was recombined as Porterfieldia caecigenus by Cooper (1953); it was recombined as Porterfieldia caecigena by Tripp (1980).

Synonyms
Synonymy list
YearName and author
1920Triarthrus caecigenus Raymond p. 280
1925Triarthrus caecigenus Raymond pp. 52 - 53 figs. Plate 2, fig. 16
1925Triarthrus reedi Raymond p. 52
1953Porterfieldia caecigenus Cooper p. 8
1980Porterfieldia caecigena Tripp p. 124

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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
speciescaecigena(Raymond 1920)

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 caecigena Raymond 1920
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Invalid names: Triarthrus reedi Raymond 1925 [synonym]
Diagnosis
No diagnoses are available