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Borealaspis
Taxonomy
Borealaspis was named by Ludvigson (1976) [Sepkoski's age data: O Cara-m O Ashg-u Sepkoski's reference number: 690,795]. It is not extant.
It was assigned to Phacopida by Sepkoski (2002); and to Cheiruridae by Jell and Adrain (2003).
It was assigned to Phacopida by Sepkoski (2002); and to Cheiruridae by Jell and Adrain (2003).
Species
Sister genera
Actinopeltis, Anasobella, Areia, Areiaspis, Ceraurinella, Ceraurinus, Cerauroides, Cerauromeros, Ceraurus, Cheirurus, Chiozoon, Contracheirurus, Crotalocephalina, Crotalocephalus, Cydonocephalus, Cyrtometopella, Cyrtometopus, Deiphon, Didrepanon, Eccoptochile, Gabriceraurus, Hadromeros, Heliomera, Heliomeroides, Hemisphaerocoryphe, Holia, Hyrokybe (syn. Shiqiania), Junggarella, Kawina, Ktenoura, Lehua, Nieszkowskia, Onycopyge, Osekaspis, Pandaspinapyga, Paraceraurus, Parayoungia, Parisoceraurus, Pateraspis, Placoparina, Proromma, Protocerauroides, Pseudocheirurus, Pseudosphaerexochus, Radiurus, Remipyga, Skelipyx, Sphaerexochus, Sphaerocoryphe, Stubblefieldia, Sycophantia, Valongia, Whittakerites, Xystocrania, Youngia
Download authority and opinion data - View classification of included taxa
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Borealaspis Ludvigson |
| 2002 | Borealaspis Sepkoski, Jr. |
| 2003 | Borealaspis Jell and Adrain p. 351 |
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