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Tholifrons

Trilobita - Ptychopariida - Diceratocephalidae

Taxonomy
Tholifrons was named by Palmer (1968) [Sepkoski's age data: Cm Dres-u]. It is not extant.

It was assigned to Trilobita by Sepkoski (2002); and to Diceratocephalidae by Jell and Adrain (2003).

Species lacking formal opinion data

View classification of included taxa

Synonyms
Synonymy list
YearName and author
1968Tholifrons Palmer
1968Paraphoreotropis Shaw
2002Tholifrons Sepkoski, Jr.
2003Tholifrons Jell and Adrain p. 453

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderPtychopariidaSwinnerton 1915
familyDiceratocephalidaeLu 1954
genusTholifronsPalmer 1968

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