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Pachydiscus (Pachydiscus) hazzardi
Taxonomy
Pachydiscus (Pachydiscus) hazzardi was named by Jones (1963). It is a 3D body fossil. Its type locality is JCH-1753, Kaguyak Bay, which is in a Campanian marine siliciclastic in the Kaguyak Formation of Alaska.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Pachydiscus (Pachydiscus) hazzardi Jones p. 36 figs. pl. 12-15, figs. 1-3, 7, 8, 13, 15, 16 |
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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.
†Pachydiscus (Pachydiscus) hazzardi Jones 1963
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 74.8 | 45.0 | 107.0 | 87.0 | 31.6 | |
| shell diameter | 3 | 157.1 | 92.0 | 229.0 | 184.0 | 69.8 | |
| shell inflation | 3 | 31.7 | 19.0 | 48.0 | 35.0 | 14.5 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Campanian or 83.60000 to 72.20000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | USA (Alaska) | Pachydiscus hazzardi (158373 158377 type locality: 158384 158385) |