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Tragorhacoceras occultum
Taxonomy
Phylloceras occultum was named by von Mojsisovics (1873). Its type specimen is GBA 1873/005/0054/01, a shell, and it is a 3D body fossil. It is the type species of Tragorhacoceras.
It was recombined as Rhacophyllites occultus by von Mojsisovics (1902); it was recombined as Tragorhacoceras occultum by Spath (1934), Rakús (1993), Tozer (1994) and Tatzreiter and Zorn (2013).
It was recombined as Rhacophyllites occultus by von Mojsisovics (1902); it was recombined as Tragorhacoceras occultum by Spath (1934), Rakús (1993), Tozer (1994) and Tatzreiter and Zorn (2013).
Synonymy list
| Year | Name and author |
|---|---|
| 1873 | Phylloceras occultum von Mojsisovics p. 38 figs. Pl 16, figs 3-6 |
| 1902 | Rhacophyllites occultus von Mojsisovics p. 320 |
| 1934 | Tragorhacoceras occultum Spath |
| 1993 | Tragorhacoceras occultum Rakús p. 943 figs. Pl 2, figs 7-9; text-figs 12,13 |
| 1994 | Tragorhacoceras occultum Tozer p. 272 figs. Pl 146, figs 18a,b; text-fig 119b |
| 2013 | Tragorhacoceras occultum Tatzreiter and Zorn p. 110 figs. Pl 3, fig 1 |
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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.
†Tragorhacoceras occultum von Mojsisovics 1873
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 28.0 | 27.0 | 29.0 | 28.0 | 1.41 | |
| shell diameter | 3 | 60.8 | 51.9 | 70.0 | 61.8 | 9.06 | |
| shell inflation | 3 | 19.0 | 17.0 | 21.3 | 19.1 | 3.04 |
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| Source: o = order, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004, Kiessling 2003 | |||||
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lacian | Austria | Phylloceras occultum (159516) Rhacophyllites occultus (159573 159899 159968) | |
| Sevatian | Canada (British Columbia) | Tragorhacoceras occultum (139034) | |
| Sevatian | Austria | Phylloceras occultum (159543) |