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Allorhynchus venustulum
Taxonomy
Allorhynchus venustulum was named by Cooper and Grant (1976). Its type specimen is USNM 152804g, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Allorhynchus venustulum Cooper and Grant p. 2009 figs. Pl 542, figs 61-64; pl 543, figs 14-33 |
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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.
†Allorhynchus venustulum Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 7 | 2.81 | 1.20 | 4.70 | 3.80 | 1.34 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Wordian to the top of the Capitanian or 266.90000 to 259.51000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | USA (Texas) | Allorhynchus venustulum (101867 105896) | |
| Capitanian | USA (Texas) | Allorhynchus venustulum (81589 81590 81591 81609 101798 101809 102618 105893 105895 105994) | |
| Capitanian | USA (New Mexico) | Allorhynchus venustulum (81620 81629 105989) |