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Taxonomy
Promegalaspides (Borogothus) was named by Tjernvik (1956) [Sepkoski's age data: O Aren]. Its type is Megalaspis stenorachis.
It was reranked as Borogothus by Jell and Adrain (2002) and Sepkoski (2002).
It was assigned to Promegalaspides by Hoel (1999); to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was reranked as Borogothus by Jell and Adrain (2002) and Sepkoski (2002).
It was assigned to Promegalaspides by Hoel (1999); to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Synonymy list
Year | Name and author |
---|---|
1956 | Promegalaspides (Borogothus) Tjernvik |
1999 | Promegalaspides (Borogothus) Hoel |
2002 | Borogothus Jell and Adrain p. 351 |
2002 | Borogothus Sepkoski |
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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.
Subg. †Promegalaspides (Borogothus) Tjernvik 1956
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†Promegalaspides (Borogothus) intactus Moberg and Segerberg 1906
†Promegalaspides (Borogothus) stenorachis Angelin 1851
Diagnosis
No diagnoses are available