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Naraoia
Taxonomy
Naraoia was named by Walcott (1912) [Sepkoski's age data: Cm Atda-u Cm uMid-m Sepkoski's reference number: 580,809]. It is not extant. It is the type genus of Naraoiidae. It was considered paraphyletic by Lerosey-Aubril et al. (2017).
It was assigned to Naraoiida by Sepkoski (2002); to Nektaspida by Jell and Adrain (2002); to Arthropoda by Bambach et al. (2007); to Nektaspidida by Lerosey-Aubril et al. (2017); and to Naraoiidae by Walcott (1912), Conway Morris and Robison (1988), Mayers et al. (2019) and Lerosey-Aubril et al. (2020).
It was assigned to Naraoiida by Sepkoski (2002); to Nektaspida by Jell and Adrain (2002); to Arthropoda by Bambach et al. (2007); to Nektaspidida by Lerosey-Aubril et al. (2017); and to Naraoiidae by Walcott (1912), Conway Morris and Robison (1988), Mayers et al. (2019) and Lerosey-Aubril et al. (2020).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1912 | Naraoia Walcott |
| 1988 | Naraoia Conway Morris and Robison p. 25 |
| 2002 | Naraoia Jell and Adrain p. 409 |
| 2002 | Naraoia Sepkoski |
| 2007 | Naraoia Bambach et al. p. S78 |
| 2017 | Naraoia Lerosey-Aubril et al. p. 8 fig. 6 |
| 2019 | Naraoia Mayers et al. p. 38 |
| 2020 | Naraoia Lerosey-Aubril et al. p. 515 |
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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. †Naraoia Walcott 1912
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†Naraoia compacta Walcott 1912
†Naraoia longicaudata Zhang and Hou 1985
†Naraoia spinosa Zhang and Hou 1985
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. Mayers et al. 2019 | Naraoiid nektaspids with the following characters: trunk length/total length ratio: <0.65; cephalic and trunk margins smooth or spinose. (Emended from Zhang et al. 2007.) |