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Protacanthina

Trilobita - Phacopida - Acastidae

Taxonomy
Protacanthina was named by Gandl (1972) [Sepkoski's age data: D Gedi-u D Emsi-l Sepkoski's reference number: 421,983,1106]. It is not extant.

It was assigned to Phacopida by Sepkoski (2002); and to Acastidae by Jell and Adrain (2003).

Synonymy list
YearName and author
1972Protacanthina Gandl
2002Protacanthina Sepkoski, Jr.
2003Protacanthina Jell and Adrain p. 431

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
familyAcastidaeDelo 1935
genusProtacanthinaGandl 1972

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