| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Oxytoma (Hypoxytoma)
Taxonomy
Hypoxytoma was named as a genus. It is not extant.
It was reranked as Oxytoma (Hypoxytoma) by Cox et al. (1969).
It was assigned to Oxytoma by Cox et al. (1969); and to Pterioida by Sepkoski (2002).
It was reranked as Oxytoma (Hypoxytoma) by Cox et al. (1969).
It was assigned to Oxytoma by Cox et al. (1969); and to Pterioida by Sepkoski (2002).
Species lacking formal opinion data
Oxytoma arizonensis, Oxytoma articostata, Oxytoma censorius, Oxytoma czekanovskii, Oxytoma dumortieri, Oxytoma expansa, Oxytoma ferrugineum, Oxytoma inaequivalis, Oxytoma intermedia, Oxytoma jacksoni, Oxytoma laevicostata, Oxytoma multistriatum, Oxytoma oppeli, Oxytoma semiradiata, Oxytoma trechmanni
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Oxytoma (Hypoxytoma) Cox et al. p. N345 |
| 2002 | Hypoxytoma Sepkoski |
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.
Subg. †Oxytoma (Hypoxytoma)
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: g = genus, o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Tithonian to the top of the Early/Lower Maastrichtian or 152.10000 to 66.00000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oxfordian - Tithonian | Canada (British Columbia) | Hypoxytoma sp. (41194) | |
| Tithonian - Neocomian | Canada (British Columbia) | Hypoxytoma sp. (41191) | |
| Berriasian | Argentina | Oxytoma sp. (65424) | |
| Late/Upper Campanian | Kazakhstan (Kustanay) | Oxytoma danica (154180) | |
| Maastrichtian | Denmark | Hypoxytoma danica (1386) | |
| Maastrichtian | USA (North Dakota) | Hypoxytoma nebrascana (1339) | |
| Maastrichtian | USA (South Dakota) | Hypoxytoma nebrascana (1320) | |
| Maastrichtian | Russian Federation | Hypoxytoma volgensis (1388) | |
| Maastrichtian | USA (New Jersey) | Hypoxytoma abrupta (1313) | |
| Maastrichtian | India | Hypoxytoma fallaciosa, Hypoxytoma semiglobosa (1351) | |
| Maastrichtian | Poland | Hypoxytoma danica (1321) | |
| Maastrichtian | Germany | Hypoxytoma danica (1318) | |
| Early/Lower Maastrichtian | Kazakhstan (Kustanai) | Oxytoma danica (186857) | |
| Late/Upper Maastrichtian | Poland | Oxytoma danica (27818 27822 28078 28081 28082 28083) | |
| Late/Upper Maastrichtian | Kazakhstan (Kustanai) | Oxytoma danica (186858 186878) |