Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Hemipsalodon grandis was named by Cope (1885) [genotype]. It is the type species of Hemipsalodon.
It was synonymized subjectively with Pterodon by Matthew (1901), Matthew (1909) and Savage (1965).
It was synonymized subjectively with Pterodon by Matthew (1901), Matthew (1909) and Savage (1965).
Synonyms
|
Synonymy list
Year | Name and author |
---|---|
1885 | Hemipsalodon grandis Cope p. 163 |
1891 | Hemipsalodon grandis Cope p. 6 |
1892 | Hemipsalodon grandis Scott p. 317 |
1902 | Hemipsalodon grandis Hay p. 759 |
1908 | Hemipsalodon grandis Lambe |
1935 | Hemipsalodon cooki Schlaikjer |
1935 | Hemipsalodon grandis Schlaikjer |
1977 | Hemipsalodon grandis Mellett |
1986 | Hemipsalodon grandis Gustafson |
1998 | Hemipsalodon grandis Gunnell |
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.
†Hemipsalodon grandis Cope 1885
show all | hide all
Invalid names: Hemipsalodon cooki Schlaikjer 1935 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
Source: subc = subclass, c = class, subp = subphylum | |||||
References: Carroll 1988, Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009 |
Age range: base of the Duchesnean to the top of the Chadronian or 39.70000 to 33.90000 Ma
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Middle Eocene | USA (Oregon) | Hemipsalodon grandis (16842) | |
Duchesnean | USA (New Mexico) | Hemipsalodon grandis (16867) | |
Chadronian | USA (Wyoming) | Hemipsalodon cooki (17045) | |
Chadronian | Canada (Saskatchewan) | Hemipsalodon grandis (16919 101961) |