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Atira ornatissima
Taxonomy
Angaria ornatissima was named by Gabb (1864). It is the type species of Atira.
It was recombined as Margarita ornatissima by White (1889); it was recombined as Margarites (Atira) ornatissima by Stewart (1927); it was recombined as Atira ornatissima by Squires (2010).
It was recombined as Margarita ornatissima by White (1889); it was recombined as Margarites (Atira) ornatissima by Stewart (1927); it was recombined as Atira ornatissima by Squires (2010).
Sister species lacking formal opinion data
Synonymy list
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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.
†Atira ornatissima Gabb 1864
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Diagnosis
Reference | Diagnosis | |
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R. L. Squires 2010 | Atira with shell size medium, spire moderately high, pleural angle moderate, ramp wide and sloped, spiral threads very fine and covering teleoconch, and umbilical angulation without change in ornament. |
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Hendy et al. 2009, Kiessling 2004 |
Collections (9 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Coniacian | USA (California) | Angaria ornatissima (44232) | |
Campanian | USA (Washington) | Atira ornatissima (86868) | |
Late/Upper Campanian | USA (California) | Margarites ornatissima (72057 86793 86794 185168 219077 220906) | |
Middle Campanian | USA (California) | Margarites ornatissima (185174) |