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Probathyopsis
Taxonomy
Probathyopsis was named by Simpson (1929). Its type is Probathyopsis praecursor.
It was synonymized subjectively with Prodinoceras by Schoch and Lucas (1985) and Lucas and Schoch (1998).
It was assigned to Uintatheriidae by Simpson (1929), Patterson (1939) and Dorr (1958); to Bathyopsinae by Wheeler (1961); and to Prodinoceratidae by Thewissen and Gingerich (1987).
It was synonymized subjectively with Prodinoceras by Schoch and Lucas (1985) and Lucas and Schoch (1998).
It was assigned to Uintatheriidae by Simpson (1929), Patterson (1939) and Dorr (1958); to Bathyopsinae by Wheeler (1961); and to Prodinoceratidae by Thewissen and Gingerich (1987).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1929 | Probathyopsis Simpson p. 1 |
| 1939 | Bathyopsoides Patterson p. 373 |
| 1939 | Probathyopsis Patterson p. 378 |
| 1958 | Prouintatherium Dorr, Jr. p. 507 |
| 1958 | Probathyopsis Dorr, Jr. p. 515 |
| 1958 | Bathyopsoides Dorr, Jr. p. 516 |
| 1961 | Probathyopsis Wheeler p. 19 |
| 1961 | Bathyopsoides Wheeler p. 22 |
| 1987 | Probathyopsis Thewissen and Gingerich |
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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. †Probathyopsis Simpson 1929
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†Probathyopsis harrisorum Patterson 1939
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Invalid names: Probathyopsis newbilli Patterson 1939 [synonym]
†Probathyopsis lysitensis Kelley and Wood 1954
†Probathyopsis praecursor Simpson 1929
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Invalid names: Probathyopsis successor Jepsen 1930 [synonym], Prouintatherium hobackensis Dorr, Jr. 1958 [synonym]
†Probathyopsis sinyuensis Chow and Tung 1962
Invalid names: Bathyopsoides Patterson 1939 [synonym], Prouintatherium Dorr, Jr. 1958 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. Patterson 1939 (Bathyopsoides) | 1| C^ P| M|. Metacone on P^ more distinct than
in Probathyopsis; M^ notably smaller than P^ and M^; cingula less extensive than in Probathyopsis, more extensive than in Pro- dinoceras. Lower incisors conical, with long crowns and external (posterior) heels; lower canine considerably larger than incisors, flattened transversely; molar metastylids long antero-posteriorly; Mx relatively smaller, M^ relatively larger than in Bathyopsis; posterior talonid crests of My-^ compressed antero-posteriorly, entoconidssubordinatedinthem;M^withsmallentoconid. Skull without indication of parietal horns; sagittal crest extending forward to plane of glenoid cavities, occiput consequently triangular and cranialtablelessextensivethaninBathyopsis. Diastematabetween canines and P| about as in Bathyopsis, much longer than in Proha- thyopsis or Prodinoceras. Mandibular flanges very large, gener- ally similar to those of Bathyopsis but differing in that they meet ventrally beneath the symphysis in a wide 11 rather than in a narrow A. | |
| W. H. Wheeler 1961 (Bathyopsoides) | Medium-sized uintathere. P? with relatively distinct metacone. First molars rela- tively small. Entoconid of Mg, small, but possessing a small anterio-medially directed crest. Ms with strong hypoconulid crest present, directed anteriorly. Lower incisors with small posterior
heels; lower canine considerably larger than incisors. Prominent sagittal crest, no parietal horns. Diastema longer than in Probathyopsis or Prodinoceras, about as in Bathyopsis. Jaw with deep inframandibular process sloping evenly backward and upward to the angle. |
Measurements
No measurements are available
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| Source: o = order, c = class, subp = subphylum | |||||
| References: Lucas and Schoch 1998, Hendy et al. 2009, Hopson 1973, Carroll 1988 | |||||
Age range: base of the Late/Upper Paleocene to the top of the Cf1 or 58.70000 to 54.90000 Ma
Collections (70 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tiffanian | USA (Wyoming) | P. harrisorum (15057 53059 190412 190414 190418 190419 190427 190429 190442 190445 190465 190466 190467 190488 190492) P. sp. (187515) | |
| Tiffanian - Clarkforkian | USA (Wyoming) | P. praecursor (15211) | |
| Late/Upper Paleocene | USA (Wyoming) | P. harrisorum (188220) | |
| Cf1 | USA (Wyoming) | P. harrisorum (46649) | |
| Cf2 | USA (Wyoming) | P. harrisorum (46651) P. sp. (46679) | |
| Cf3 | USA (Wyoming) | P. sp. (46676) | |
| Clarkforkian | USA (Wyoming) | Bathyopsoides harrisorum (15093) P. harrisorum (15183 164515 190431) P. harrisorum, P. praecursor (15176) P. praecursor (15091 15094 15095 15099 15100 15102 15107 15109 15112 15114 15115 15121 15122 15126 15130 15137 15140 15154 15155 15158 15166 15167 15169 15171 15174 15179 15181 15196 15199 15207) P. sp. (15072 15075 15089) Prouintatherium hobackensis (15076) | |
| Clarkforkian | USA (Colorado) | Bathyopsoides harrisorum, P. newbilli (15253) Prodinoceras newbilli (15237 15246 15250 15251 15252) | |
| Wasatchian | USA (Wyoming) | P. lysitensis (15558 15964) | |
| Early/Lower Eocene | China (Jiangxi) | P. sinyuensis (182565) |