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Premontreia
Taxonomy
Premontreia was named by Cappetta (1992) [Sepkoski's age data: T Eo-l]. It is the type genus of Premontreinae.
It was assigned to Carcharhiniformes by Sepkoski (2002); to Premontreinae by Cappetta (1992), Noubhani and Cappetta (1997), Mollen (2008) and Ebersole et al. (2019); and to Scyliorhinidae by Malyshkina (2006), Malyshkina (2006), Case et al. (2015) and Villafaña et al. (2020).
It was assigned to Carcharhiniformes by Sepkoski (2002); to Premontreinae by Cappetta (1992), Noubhani and Cappetta (1997), Mollen (2008) and Ebersole et al. (2019); and to Scyliorhinidae by Malyshkina (2006), Malyshkina (2006), Case et al. (2015) and Villafaña et al. (2020).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Premontreia Cappetta p. 640 figs. Plate 1, Fig. 1-12 |
| 1997 | Premontreia Noubhani and Cappetta p. 54 |
| 2002 | Premintreia Sepkoski |
| 2006 | Premontreia Malyshkina p. 467 |
| 2008 | Premontreia Mollen p. 124 |
| 2015 | Premontreia Case et al. p. 1127 |
| 2019 | Premontreia Ebersole et al. p. 58 |
| 2020 | Premontreia Villafaña et al. |
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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. †Premontreia Cappetta 1992
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Subg. †Premontreia (Oxyscyllium) Noubhani and Cappetta 1997
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†Premontreia (Oxyscyllium) gilberti Casier 1946
†Premontreia (Oxyscyllium) peypouqueti Noubhani and Cappetta 1997
†Premontreia (Oxyscyllium) subulidens Arambourg 1952
Subg. †Premontreia (Premontreia) Noubhani and Cappetta 1997
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†Premontreia (Premontreia) lutetiensis Mollen 2008
†Premontreia (Premontreia) subulidens Arambourg 1952
†Premontreia (Premontreia) uralica Malyshkina 2006
†Premontreia degremonti Cappetta 1992
†Premontreia distans Probst 1879
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Cappetta 1992 | Scyliorhinldae ~tdents d'assez grande taiUe (jusqu'~ 6 mm de hauteur totale). Dents ~ cuspide haute, peu 6paisse, assez 6troite et effil6e,/~ tranchants nets et saiUants. Face linguale convexe /~ 6mail compl6tement lisse ; face labiale peu convexe portant sa base des plis verticaux nombreux, parall61es, plus ou moins flexueux et tr6s courts, ne d6passant jamais la hauteur des talons. Limite labiale de l'6mail rectiligne, souvent tr6s 16g6rement concave m6dianement. Face labiale de la couronne surplombant h peine la racine, maJs sans diff6rentiation de bourrelet. Pr6sence d'une paire de denticules largements unis ~ la cuspide, pointus mais assez larges et bas ou de talons tranchants courts et obliques, d6pourvus de denticules,/~ bords marginaux arrondis en vue labiale. Partie m6dio-basale de la face labiale de la couronne d6prim6e.
Racine haute et 6paisse, ~ face basilaire large et plate divis6e par un sillon m6dian profond en forme d'f2. Foramen principal en position tout ~tfait linguale. La face linguale, bien d6velopp6e et oblique, porte de nombreux foramens elliptiques. Face labiale haute, concave, avec lobes d6bordant largement en vue occlusale. Des foramens plus ou moins nombreux s'ouvrent au-dessus du bord basilaire labial. |
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Wagner 2023, Carroll 1988 | |||||
Age range: base of the Early/Lower Paleocene to the top of the MN 13 or 66.00000 to 4.90000 Ma
Collections (40 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Paleocene | USA (New Jersey) | Scyliorhinus gilberti (62840) | |
| Danian | Morocco | P. subulidens (214369 214370 214834) | |
| Selandian | Morocco | P. subulidens, P. peypouqueti (133217) | |
| Selandian - Thanetian | Morocco | P. subulidens (214839) P. subulidens, P. peypouqueti (214848) | |
| Thanetian | Algeria | P. subulidens (232262) | |
| Thanetian | Morocco | P. subulidens (86295) P. subulidens, P. peypouqueti (214833) | |
| Ypresian | United Kingdom (England) | Scyliorhinus gilberti (13299) | |
| Ypresian | USA (South Carolina) | P. gilberti (203258) | |
| Ypresian | Morocco | P. subulidens (158991 214840) | |
| Wasatchian | USA (Virginia) | Scyliorhinus gilberti (15595) | |
| Early/Lower Eocene | USA (Mississippi) | Scyliorhinus gilberti (62890) | |
| MP 10 | France (Picardie) | P. degremonti (68440) | |
| Early/Lower Eocene - Middle Eocene | United Kingdom (England) | Scyliorhinus gilberti (3256 3258) | |
| Lutetian | Belgium (Vlaams-Brabant) | P. lutetiensis (38719) | |
| Lutetian | United Kingdom (England) | Scyliorhinus gilberti (41888 41989 41992 41994 41996 41998) | |
| Lutetian | USA (Alabama) | P. subulidens (209523) | |
| Middle Eocene | Uzbekistan | Scyliorhinus gilberti (62573) | |
| Priabonian | USA (Georgia) | Scyliorhinus gilberti (45640) | |
| Priabonian | Egypt | Oxyscyllium sp. (137579) | |
| Priabonian | Russian Federation | P. uralica (149624 149626) | |
| Priabonian | USA (South Carolina) | P. gilberti (202014) | |
| Burdigalian | Germany (Bavaria) | P. distans (210593) | |
| Badenian | Belgium | Pachyscyllium distans (208831) | |
| Tortonian | Panama (Colon) | P. sp. (160781) | |
| Messinian | Portugal | P. dachiardi (91423) | |
| MN 13 | Portugal | P. dachiardi (65954) | |
| MN 13 | Portugal (Alvalade) | P. dachiardi (65955) | |
| Zanclean | Italy | Pachyscyllium distans (204946) |