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Levisaspis
Taxonomy
Levisaspis was named by Rasetti (1943) [Sepkoski's age data: O Trem-l]. It is not extant.
It was assigned to Norwoodiidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Norwoodiidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by D. van Oyen on 2013-04-30
Synonymy list
| Year | Name and author |
|---|---|
| 1943 | Levisaspis Rasetti |
| 2002 | Levisaspis Jell and Adrain p. 397 |
| 2002 | Levisaspis 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. †Levisaspis Rasetti 1943
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Diagnosis
No diagnoses are available