Parachela (tardigrade)

Parachela; Temporal range: Campanian–Recent PreꞒ Ꞓ O S D C P T J K Pg N
	Hypsibius dujardini
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Tardigrada
Class:	Eutardigrada
Order:	Parachela
Superfamilies and families
	See text

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]

Superfamilies and families[edit]

The 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

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[Budd2001-1] 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.

[2] 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.

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