Parachela (tardigrade)

Parachela Temporal range: Campanian–Recent [1] PreꞒ Ꞓ O S D C P T J K Pg N
Hypsibius dujardini
Scientific classification
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, up to the present. The oldest known species are Beorn leggi and Aerobius dactylus . ^{[2] [3]}

Superfamilies and families

The order includes the following superfamilies and families:

• Eohypsiboiidea
  • Eohypsibiidae
• Hypsibioidea
  • Calohypsibiidae
  • Hypsibiidae
  • Microhypsibiidae
  • Ramazzottiidae
• Isohypsibioidea
  • Hexapodibiidae
  • Isohypsibiidae
• Macrobiotoidea
  • † Beornidae
  • Macrobiotidae
  • Murrayidae
  • Necopinatidae
  • Richtersiidae

References

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 .
3. Mapalo, Marc A.; Wolfe, Joanna M.; Ortega-Hernández, Javier (2024-08-06). "Cretaceous amber inclusions illuminate the evolutionary origin of tardigrades". Communications Biology . 7 (1). doi:10.1038/s42003-024-06643-2. ISSN   2399-3642. PMC   11303527 .

External links

• Media related to Parachela at Wikimedia Commons
• Data related to Parachela (tardigrade) at Wikispecies