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Helaspis
Taxonomy
Helaspis is a genus. It is not extant.
It was assigned to Productellinae by Muir-Wood and Cooper (1960) and Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Protaspididae by Randle and Sansom (2017).
It was assigned to Productellinae by Muir-Wood and Cooper (1960) and Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Protaspididae by Randle and Sansom (2017).
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Helaspis Muir-Wood and Cooper p. 156 |
| 2000 | Helaspis Williams et al. p. 424 |
| 2002 | Helaspis Sepkoski |
| 2017 | Helaspis Randle and Sansom p. 596 |
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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. †Helaspis
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Diagnosis
No diagnoses are available