Parachela is an order of tardigrades in the class Eutardigrada. Members of this order have existed for at least 72 million years, including the present. The oldest known species is Beorn leggi.[2]
Parachela Temporal range:
| |
---|---|
![]() | |
Hypsibius dujardini | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Tardigrada |
Class: | Eutardigrada |
Order: | Parachela |
Superfamilies and families | |
See text
|
Superfamilies and families
editThe order includes the following superfamilies and families:
References
edit- ^ Budd, G. (2001). "Tardigrades as 'Stem-Group Arthropods': The Evidence from the Cambrian Fauna". Zoologischer Anzeiger. 240 (3–4): 265–279. doi:10.1078/0044-5231-00034. ISSN 0044-5231.
- ^ Cooper, Kenneth W. (1964). "The First Fossil Tardigrade: Beorn Leggi Cooper, From Cretaceous Amber". Psyche: A Journal of Entomology. 71 (2): 41–48. doi:10.1155/1964/48418.
External links
edit- Media related to Parachela at Wikimedia Commons
- Data related to Parachela (tardigrade) at Wikispecies