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Thaleops arctura

Trilobita - Corynexochida - Illaenidae

Taxonomy
Illaenus arcturus was named by Hall (1847). Its type specimen is NYSM 4499, a cephalon/head (cranidium), and it is a 3D body fossil.

It was recombined as Thaleops arctura by Shaw (1968) and Amati and Westrop (2004).

Synonymy list
YearName and author
1847Illaenus arcturus Hall
1859Illaenus arcturus Billings
1968Thaleops arctura Shaw
2004Thaleops arctura Amati and Westrop p. 220

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderCorynexochida
familyIllaenidaeHawle and Corda 1847
genusThaleopsConrad 1843
speciesarctura(Hall 1847)

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.

†Thaleops arctura Hall 1847
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Diagnosis
No diagnoses are available