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Taxonomy
Arca (Arca) givensi was named by Squires (1991). Its type specimen is UCR 4667/131, a shell, and it is a 3D body fossil. Its type locality is UCR loc. 4667, near Sespe Hot Springs, which is in a Ypresian marine horizon in the Juncal Formation of California.
Sister species lacking formal opinion data
A. bellonii, A. bravoensis, A. cancellata, A. carinata, A. gurgitis, A. limatella, A. macnairyensis, A. montensis, A. nana, A. pakistanica, A. pergracilis, A. securiculata, A. tailleburgensis, A. triasina, A. halmyrus, A. montensis, A. fruthi, A. stillicidum, A. mikkula, A. waltonia, A. fracta, A. gabrielis, A. veatchi
Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Arca (Arca) givensi Squires p. 70 figs. figs. 7-11 |
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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.
†Arca (Arca) givensi Squires 1991
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family | |||||
| References: Mikkelsen and Bieler 2008, Aberhan et al. 2004 | |||||