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Trigocephalus trigoformis

Artiopoda - Ptychopariida - Diceratocephalidae

Taxonomy
Trigocephalus trigoformis was named by Duan et al. (1999). It is not extant. Its type locality is Haichongkou, bed 22, which is in a Paibian/Taoyuanian slope limestone in the Tingziguan Formation of China. It is the type species of Trigocephalus.

Entered
by U. Merkel (authorized by W. Kiessling) on 2012-07-04

Synonymy list
YearName and author
1999Trigocephalus trigoformis Duan et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyDiceratocephalidaeLu 1954
genusTrigocephalus
speciestrigoformis

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.

†Trigocephalus trigoformis Duan et al. 1999
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Diagnosis
No diagnoses are available