Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Eporeodontinae
Taxonomy
Eporeodontinae was named by Schultz and Falkenbach (1968).
It was assigned to Merycoidodontidae by Schultz and Falkenbach (1968), Stevens and Stevens (1996), Stevens and Stevens (2007) and Stevens et al. (2023).
It was assigned to Merycoidodontidae by Schultz and Falkenbach (1968), Stevens and Stevens (1996), Stevens and Stevens (2007) and Stevens et al. (2023).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1968 | Eporeodontinae Schultz and Falkenbach p. 193 |
1996 | Eporeodontinae Stevens and Stevens p. 510 |
2007 | Eporeodontinae Stevens and Stevens p. 163 |
2023 | Eporeodontinae Stevens et al. p. 15 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
Subfm. †Eporeodontinae Schultz and Falkenbach 1968
show all | hide all
G. †Eporeodon Marsh 1875
hide
Subg. †Eporeodon (Paraeporeodon) Schultz and Falkenbach 1968
+
†Eporeodon (Paraeporeodon) pacificus Cope 1884
†Eporeodon occidentalis Marsh 1873
+
†Eporeodon trigonocephalus parvus Thorpe 1921
Invalid names: Dayohyus wortmani Schultz and Falkenbach 1968 [synonym], Eporeodon condoni Thorpe 1921 [synonym], Eporeodon davisi Schultz and Falkenbach 1968 [synonym], Eporeodon leptacanthus Cope 1884 [synonym], Eporeodon longifrons Cope 1884 [synonym], Eporeodon thurstoni Stock 1934 [synonym], Eucrotaphus trigonocephalus Cope 1884 [synonym]
†Eporeodon pacificus Cope 1884
+
Invalid names: Eporeodon leptacanthus leptacanthus Cope 1884 [synonym], Eporeodon perbullatus Thorpe 1921 [synonym], Eucrotaphus jacksoni leptacanthus Cope 1884 [synonym], Eucrotaphus major longifrons Cope 1884 [synonym], Hypsiops johndayensis Schultz and Falkenbach 1950 [synonym], Pseudogenetochoerus covensis Schultz and Falkenbach 1968 [synonym]
Invalid names: Dayohyus Schultz and Falkenbach 1968 [synonym]
G. †Merycoides Douglass 1907
hide
†Merycoides cursor Douglass 1907
+
Invalid names: Merycoides nebraskensis Schultz and Falkenbach 1949 [synonym], Merycoides nebraskensis blairi Schultz and Falkenbach 1949 [synonym]
†Merycoides longiceps Douglass 1907
†Merycoides stouti Schultz and Falkenbach 1950
Diagnosis
Reference | Diagnosis | |
---|---|---|
M. S. Stevens et al. 2023 | Small to medium-sized oreodonts with inflatedauditory bullae, wide frontals, slight nasal retraction, robustmalar, infraorbital foramen above P3 to above anterior P4, facialvacuity (lacrimal fossa) ranging from small and shallow to wideand deep, heavy paroccipital processes without the excavationseen in the Merycoidondontinae, postglenoid process peg-shapedto compressed anteroposteriorly, and a mesodont dentition. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
Source: f = family, o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, Carroll 1988, Lander 1998, Lillegraven 1979, Nowak 1999 |
Age range: base of the Whitneyan to the top of the Harrisonian or 33.30000 to 18.50000 Ma
Collections (31 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Whitneyan | USA (South Dakota) | Merycoides cursor (17307) | |
Whitneyan | USA (Oregon) | Eporeodon occidentalis, Eucrotaphus trigonocephalus (17349) | |
Geringian | USA (Oregon) | Eporeodon occidentalis (17508 17537 93078) | |
Geringian | USA (Nebraska) | Merycoides nebraskensis (17664) | |
Arikareean | USA (California) | Eporeodon thurstoni (17670) | |
Arikareean | USA (Oregon) | Eucrotaphus occidentalis (180202) Merycoides sp. (93080) | |
Arikareean | USA (Montana) | Merycoides sp. (17481) | |
Arikareean | USA (Wyoming) | Merycoides nebraskensis (17472) | |
Chattian | USA (Oregon) | Merycoides sp. (17603 93079) | |
Monroecreekian | USA (Washington) | Eporeodon sp. (119841) Eporeodon sp., Merycoides sp. (119838) | |
Monroecreekian - Harrisonian | USA (Oregon) | Merycoides sp. (17528) | |
Harrisonian | USA (Nebraska) | Phenacocoelus stouti (17805) | |
Harrisonian | USA (South Dakota) | Phenacocoelus stouti (17748) | |
Harrisonian | USA (Wyoming) | Phenacocoelus stouti (17788 17793 17824 17833 17835 17839 17849 17854) | |
Harrisonian | USA (Montana) | Pseudodesmatochoerus longiceps (17810) | |
Early/Lower Miocene | USA (Oregon) | Eporeodon davisi, Pseudogenetochoerus covensis, Eporeodon pacificus (157001) | |
Early/Lower Hemingfordian | USA (Oregon) | Pseudodesmatochoerus longiceps (17925) | |
Hemingfordian | USA (Montana) | Merycoides cursor (17885) | |
Hemingfordian | USA (Wyoming) | Merycoides cursor (18949) |