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Richterarges ethnikos

Trilobita - Lichida - Lichidae

Taxonomy
Hemiarges ethnikos was named by Lane et al. (1980). Its type specimen is MGUH 15079, a pygidium, and it is a 3D body fossil. Its type locality is boulder erratic, Newmann Bugt, which is in a Pridoli marine sandstone in the "Polaris Harbour" Formation of Greenland.

It was recombined as Richterarges ethnikos by Adrain (1994).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1980Hemiarges ethnikos Lane et al.
1994Richterarges ethnikos Adrain p. 1084

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderLichidaMoore 1959
familyLichidaeHawle and Corda 1847
subfamilyTrochurinaePhleger 1936
genusRichterargesPhleger 1936
speciesethnikos()

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
ReferenceDiagnosis
J. M. Adrain 1994Richterarges ethnikos has a plesiomorphic pattern of nine border spines similar to that of Borealarges, although other aspects of its morphology, particularly cranidial features, make assignment to Richterarges unambiguous.