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Protancyloceras (ammonoid)
Taxonomy
Protancyloceras was named by Spath (1924) [Sepkoski's age data: J Tith-l K Vala-l Sepkoski's reference number: 2]. Its type is Ancyloceras guembeli.
It was assigned to Protancyloceratinae by Cantu-Chapa (1962); to Ammonoidea by Myczynski (1989); to Protancyloceratidae by Sepkoski (2002) and Klein et al. (2007); and to Bochianitidae by Zell et al. (2015).
It was assigned to Protancyloceratinae by Cantu-Chapa (1962); to Ammonoidea by Myczynski (1989); to Protancyloceratidae by Sepkoski (2002) and Klein et al. (2007); and to Bochianitidae by Zell et al. (2015).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Protancyloceras Spath |
| 1962 | Protancyloceras Cantu-Chapa p. 27 |
| 1989 | Protancyloceras Myczynski p. 109 |
| 2002 | Protanclyoceras Sepkoski |
| 2007 | Protancyloceras Klein et al. p. 13 |
| 2015 | Protancyloceras Zell et al. p. 45 |
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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.
G. †Protancyloceras Spath 1924 [ammonoid]
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†Protancyloceras anahuacensis Cantu-Chapa 1962
†Protancyloceras barrancensis Cantu-Chapa 1962
†Protancyloceras catalinense Imlay 1942
†Protancyloceras gracile Oppel 1865
†Protancyloceras guembeli Oppel 1865
†Protancyloceras hondense Imlay 1942
†Protancyloceras kurdistanense Spath 1950
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Late/Upper Tithonian to the top of the Late/Upper Valanginian or 150.80000 to 136.40000 Ma
Collections (45 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tithonian | Cuba | Protancyloceras catalinense, Protancyloceras hondense (57724 57740 57741 57742 57752) Protancyloceras gracile (57717 57727) Protancyloceras hondense (57746) Protancyloceras sp. (57726 57744 57750) | |
| Late/Upper Tithonian | Italy (Ancona) | Protancyloceras sp. (46544) | |
| Late/Upper Tithonian | Colombia (Meta) | Protancyloceras sp. (191958) | |
| Late/Upper Tithonian | Iraq (Zakho) | Protancyloceras gracile, Protancyloceras kurdistanense (192420) Protancyloceras hondense, Protancyloceras kurdistanense (192418) | |
| Late/Upper Tithonian | France | Protancyloceras sp. (174771) | |
| Late/Upper Tithonian - Early/Lower Berriasian | Antarctica | Protancyloceras sp. (190849) | |
| Early/Lower Berriasian | France | Protancyloceras bicostatum (174788) | |
| Berriasian | Poland | Protancyloceras sp. (65300) | |
| Berriasian | Spain (Murcia) | Protancyloceras sp. (191947) | |
| Berriasian | Spain | Protancyloceras sp. (64982 64990 64993 64999 65291 65293 65316 65317 65318 65319 65321) | |
| Early/Lower Valanginian | Italy | Protancyloceras bicostatum (65505) Protancyloceras punicum (65500) | |
| Early/Lower Valanginian | Mexico (Oaxaca) | Protancyloceras catalinense (171682) Protancyloceras sp. (171681) | |
| Late/Upper Valanginian | Hungary | Protancyloceras sp. (111311) | |
| Valanginian | Spain | Protancyloceras sp. (65007 65014 65016 65018 65297 65298 65301 65302 65304) |