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Siphonalia (Nassicola) bicarinata monospina
Taxonomy
Siphonalia bicarinata monospina was named by Turner (1938) [Attributed to Hendon]. Its type specimen is UC 33678, a shell, and it is a 3D body fossil.
It was recombined as Siphonalia (Nassicola) bicarinata monospina by Ruth (1942).
It was recombined as Siphonalia (Nassicola) bicarinata monospina by Ruth (1942).
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.
†Siphonalia (Nassicola) bicarinata monospina Turner 1938
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Hendy et al. 2009, Kiessling 2004 |
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Ypresian | USA (Oregon) | Siphonalia bicarinata (200795) | |
Eocene | USA (Oregon) | Siphonalia bicarinata (200891) | |
Lutetian | USA (Oregon) | Siphonalia bicarinata (200870 200875 200877 200878 201036) |