Promissum
Promissum is an extinct genus of conodonts, primitive chordates, that lived during the Upper Ordovician period.
| Promissum Temporal range: | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Conodonta |
| Family: | †Balognathidae |
| Genus: | †Promissum Kovacs-Endrody, 1986 |
| Species: | †P. pulchrum |
| Binomial name | |
| †Promissum pulchrum Kovacs-Endrody, 1986 | |
A conodont, Promissum had a primitive mouth under its eyes with mineralized teeth, which are both typical for conodonts. It had a primitive backbone and probably looked like a small eel or large worm, lacking any kind of fins except for perhaps a small one on the tail. It was relatively large for a conodont, reaching about 40 cm (16 inch) in length.
Well-preserved specimens were discovered in the Soom shale of South Africa in 1994.
Promissum was probably capable of maintaining a cruising speed, but not of bursts of speed.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.