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Howellites ultimus
Taxonomy
Resserella (Howellites) ultima was named by Bancroft (1945).
It was recombined as Howellites ultima by Williams (1963); it was recombined as Howellites ultimus by Lockley (1980).
It was recombined as Howellites ultima by Williams (1963); it was recombined as Howellites ultimus by Lockley (1980).
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.
†Howellites ultimus Bancroft 1945
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Hendy 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||