| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tardigrada (water bear)
Taxonomy
Tardigrada was named by Doyère (1840). It is extant.
It was reranked as the unranked clade Tardigrada by Edgecombe et al. (2011).
It was assigned to Ecdysozoa by Edgecombe et al. (2011); and to Panarthropoda by Zrzavy et al. (1998) and Nielsen (2012).
It was reranked as the unranked clade Tardigrada by Edgecombe et al. (2011).
It was assigned to Ecdysozoa by Edgecombe et al. (2011); and to Panarthropoda by Zrzavy et al. (1998) and Nielsen (2012).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1840 | Tardigrada Doyère |
| 1998 | Tardigrada Zrzavy et al. |
| 2011 | Tardigrada Edgecombe et al. p. 153 figs. Fig. 1 |
| 2012 | Tardigrada Nielsen p. 265 figs. Fig. 42.1 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Ph. Tardigrada Doyère 1840 [water bear]
show all | hide all
Cl. Eutardigrada Richters 1926
hide
Invalid names: Heterotardigrada Marcus 1927 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range
Maximum range based only on fossils: base of the Middle Cambrian to the top of the Langhian or 509.00000 to 13.82000 Ma
Minimum age of oldest fossil (stem group age): 497.0 Ma
Minimum age of oldest fossil (stem group age): 497.0 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Cambrian | Russian Federation (Siberia) | Tardigrada indet. (197068) | |
| Turonian | USA (New Jersey) | Milnesium swolenskyi (110895) | |
| Late/Upper Campanian | Canada (Manitoba) | Beorn leggi, Heterotardigrada indet. (182534) | |
| Burdigalian - Langhian | Dominican Republic | Paradoryphoribius chronocaribbeus (222615) |