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Borealaspis biformis

Artiopoda - Phacopida - Cheiruridae

Taxonomy
Borealaspis biformis was named by Ludvigsen (1976) [Paratypes: GSC 44231-44235, 44238. Hypotypes: GSC 44236, 44237 (Ludvigsen, 1979)]. Its type specimen is GSC 44230, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Whittaker Formation, Funeral Range, Mackenzie Mountains (C-570), which is in a Rocklandian/Shermanian carbonate limestone in the Whittaker Formation of Canada.

Synonymy list
YearName and author
1976Borealaspis biformis Ludvigsen p. 957 figs. Pl. 2, figs. 8, 9

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
genusBorealaspisLudvigson 1976
speciesbiformis

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.

†Borealaspis biformis Ludvigsen 1976
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Diagnosis
No diagnoses are available