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Proptychites rosenkrantzi
Taxonomy
Proptychites rosenkrantzi was named by Spath (1930).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1930 | Proptychites rosenkrantzi Spath p. 40 figs. Pl 7, figs 1,2 |
| 1935 | Proptychites rosenkrantzi Spath p. 59 figs. Pl 15, fig 8; pl 16, figs 2-7; pl 17, figs 4,5; pl 18, fig 7; pl 19, figs 4,5 |
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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.
†Proptychites rosenkrantzi Spath 1930
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell diameter | 10 | 40.9 | 15.9 | 135.0 | 42.0 | 40.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Griesbachian or 251.90200 to 250.50000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Griesbachian | Greenland | Proptychites rosenkrantzi (118501 118516 118522 118526 118566 118571 118592 118629 118648 118678 118684 118700 118718 118724) | |
| Early/Lower Triassic | Greenland | Proptychites rosenkrantzi (48117 48120) |