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Bathygenys
Taxonomy
Bathygenys was named by Douglass (1902).
It was assigned to Merycoidodontidae by Douglass (1901), Thorpe (1937), Scott (1940), Ferrusquia-Villafranca (1969) and Lander (1998); and to Oreonetinae by Schultz and Falkenbach (1956), McKenna and Bell (1997) and Stevens and Stevens (2007).
It was assigned to Merycoidodontidae by Douglass (1901), Thorpe (1937), Scott (1940), Ferrusquia-Villafranca (1969) and Lander (1998); and to Oreonetinae by Schultz and Falkenbach (1956), McKenna and Bell (1997) and Stevens and Stevens (2007).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1901 | Bathygenys Douglass |
| 1902 | Bathygenys Douglass p. 256 figs. Pl. 9, Fig. 7 - 8 |
| 1937 | Bathygenys Thorpe p. 41 |
| 1940 | Bathygenys Scott p. 711 |
| 1956 | Bathygenys Schultz and Falkenbach p. 464 fig. 12 |
| 1968 | Megabathygenys Schultz and Falkenbach |
| 1968 | Parabathygenys Schultz and Falkenbach |
| 1969 | Bathygenys Ferrusquia-Villafranca |
| 1997 | Bathygenys McKenna and Bell p. 408 |
| 1997 | Megabathygenys McKenna and Bell p. 408 |
| 1997 | Parabathygenys McKenna and Bell p. 408 |
| 1998 | Bathygenys Lander |
| 2007 | Bathygenys Stevens and Stevens p. 158 |
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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. †Bathygenys Douglass 1902
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†Bathygenys alpha Douglass 1902
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Invalid names: Megabathygenys goorisi Schultz and Falkenbach 1968 [synonym]
†Bathygenys alpha hedlundae Schultz and Falkenbach 1968
†Bathygenys hedlundae Schultz and Falkenbach 1968
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Invalid names: Parabathygenys paralpha Schultz and Falkenbach 1968 [synonym]
†Bathygenys reevesi Wilson 1971
Invalid names: Megabathygenys Schultz and Falkenbach 1968 [synonym], Parabathygenys Schultz and Falkenbach 1968 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. B. Schultz and C. H. Falkenbach 1956 | SKULL: Very small (smallest known oreodont skull); sagittal crest low but prominent; 1rain case well inflated ; frontals moderately 1road; supraorbital foramen with anterior
groove near midline of skull; malar shallow below orbit. MANDIBLE: Moderately light; ramus moderately deep ; increasing rapidly in depth posteriorly; ascending ramus wide anteroposteriorly. DENTITION: Brachyodont; premolars not crowded; external styles of superior molars prominent. LIMBS: Small and light (smallest and lightest of any oreodonts so far reported). |
Measurements
No measurements are available
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| Source: f = family, o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Carroll 1988, Nowak 1999, Lander 1998, Hendy et al. 2009 | |||||
Age range: base of the Chadronian to the top of the Orellan or 37.20000 to 33.30000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chadronian | Mexico (Chihuahua) | B. alpha (17015) | |
| Chadronian | USA (Texas) | B. reevesi (16888 17016) B. sp. (16934) | |
| Chadronian | Canada (Saskatchewan) | B. sp. (16919) | |
| Chadronian | USA (Wyoming) | B. alpha (16920 16963 17045) B. alpha, B. alpha (16962) B. sp. (16960 16961 16965 16966) Megabathygenys goorisi (16987) Megabathygenys goorisi, B. alpha (16964) | |
| Chadronian | USA (Montana) | B. alpha (16959 16988 16990 17010) | |
| Middle Chadronian - Late/Upper Chadronian | USA (Colorado) | B. alpha (156988) | |
| Orellan | USA (Nebraska) | B. sp. (17114) |