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Paralophiodon
Taxonomy
Paralophiodon was named by Dedieu (1977). It is not extant.
It was assigned to Isectolophidae by Carroll (1988); and to Lophiodontidae by Prothero and Schoch (1989) and Robinet et al. (2015).
It was assigned to Isectolophidae by Carroll (1988); and to Lophiodontidae by Prothero and Schoch (1989) and Robinet et al. (2015).
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Paralophiodon Dedieu |
| 1977 | Rhinocerolophiodon Fischer |
| 1988 | Paralophiodon Carroll |
| 1988 | Rhinocerolophiodon Carroll |
| 1989 | Paralophiodon Prothero and Schoch p. 532 |
| 2015 | Paralophiodon Robinet 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. †Paralophiodon Dedieu 1977
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†Paralophiodon baroensis Checa Soler 1998
†Paralophiodon buchsowillanum Dedieu 1977
Invalid names: Rhinocerolophiodon Fischer 1977 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| K.-H. Fischer 1977 (Rhinocerolophiodon) | Medium in size. Dental formula like Lophiodon, but no diastema; frontal skull shortened. Nasomaxilla incisura not as deep carved in as in Lophiodon. Bridge of the nose, especially anterior part of nasale very narrow. Aperture nasalis dorsal not as wide as in Lophiodon. Canines small, not bigger than upper and lower I3, does not take part in increasing width of the snout. Upper molars with rhinoceros-like metacone, which labial border is slightly rippled, mesostyle absent, no cingulum labial and lingual. Upper P with only one inner cusp, which may unify proto-and hypocon, from this proto-hypocone some not quite complete ridges V-shapedly lead to the outer border of P3 and P4; P2 has a weak ridge-like inner cusp; metaconule of upper P3 and P4 shows the tendency of a strong development. Lower molars typically rhinoceros-like, because of a pronounced strong anterior ridge of hypoconid; Lower M3-hypoconulid weaker than in other species. Lower P have no entoconid, so talonids not complete. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Lillegraven 1979, Hendy et al. 2009, Benton 1996 | |||||
Age range: Lutetian or 47.80000 to 41.30000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian - Bartonian | France (Aude) | P. isselense (78233) | |
| Eocene | Germany (Sachsen-Anhalt) | Lophiodon buchsowillanum (45738) | |
| Lutetian | Spain (Zamora) | P. isselense (41073) | |
| Lutetian | Germany (Sachsen-Anhalt) | Lophiodon buchsowillanum (13322 45001 45002 45741 45742 45745 45746 45747) Rhinocerolophiodon buxovillanum (45762 45763 45764 45765 45766 45767) |