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Pontisia exoria
Taxonomy
Pontisia exoria was named by Grant (1976). Its type specimen is USNM 212641, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Pontisia exoria Grant pp. 173-174 figs. Pl 46, figs 26-39 |
| 2003 | Pontisia exoria Shen et al. p. 1132 figs. 4.17-4.23, 5 |
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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.
†Pontisia exoria Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 3.61 | 1.00 | 7.80 | 5.73 | 2.82 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Roadian to the top of the Capitanian or 274.40000 to 259.51000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | Thailand (Trang) | Pontisia exoria (40869 40871 40875 40879 40896 40897 40898) | |
| Capitanian | China (Xizang) | Pontisia exoria (117547) |