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Tretaspis
Taxonomy
Tretaspis was named by M'Coy (1849). Its type is Asaphus seticornis.
It was assigned to Trinucleinae by Owen (1980); to Asaphida by Sepkoski (2002); and to Trinucleidae by Jell and Adrain (2002).
It was assigned to Trinucleinae by Owen (1980); to Asaphida by Sepkoski (2002); and to Trinucleidae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1849 | Tretaspis M'Coy p. 410 |
| 1980 | Tretaspis Owen |
| 2002 | Tretaspis Jell and Adrain p. 454 |
| 2002 | Tretaspis 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.
G. †Tretaspis M'Coy 1849
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†Tretaspis anderssoni Stormer 1945
†Tretaspis askerensis Owen 1980
†Tretaspis ceriodes angelini Stormer 1930
†Tretaspis elevata Cooper and Kindle 1936
†Tretaspis hadelandica hadelandica Stormer 1945
†Tretaspis hisingeri Owen 1980
†Tretaspis kiaeri Stormer 1930
†Tretaspis latilimba Linnarsson 1869
†Tretaspis latilimbus norvegicus Owen 1980
†Tretaspis moeldenensis Cave 1960
†Tretaspis reticulata Ruedemann 1901
†Tretaspis sagenosus Whittington 1959
†Tretaspis seticornis anderssoni Stormer 1945
†Tretaspis sortita Reed 1935
†Tretaspis sortita broeggeri Stormer 1945
Diagnosis
No diagnoses are available