Pseudomegachasma
| Use attributes for filter ! | |
| Scientific name | Pseudomegachasma |
|---|---|
| Phylum | Chordata |
| Order | Mackerel sharks |
| Rank | Genus |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3060948 |
About Pseudomegachasma
Pseudomegachasma is an extinct genus of filter-feeding shark that was closely related to the modern sand tiger shark. It is known from Cretaceous strata in Russia and the United States, and is the only known planktivorous odontaspid, as well as the oldest known planktivorous elasmobranch.
