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Hydrozoa
| Source Data |
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| Rank | class (PBDB) | |||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Cnidaria : Hydrozoa | |||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Opinions (PBDB) |
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| Status (PBDB) | extant | |||||||||||||||||||||||||
| Taxon Size (PBDB) | 160 | |||||||||||||||||||||||||
| Extant Size (PBDB) | 23 (14%) | |||||||||||||||||||||||||
| First Recorded Appearance | 635 - 541 Ma Neoproterozoic | |||||||||||||||||||||||||
| Motility | stationary, attached (based on Hydrozoa) | |||||||||||||||||||||||||
| Vision | blind (based on Hydrozoa) | |||||||||||||||||||||||||
| Diet | carnivore, suspension feeder (based on Hydrozoa) | |||||||||||||||||||||||||
| Ecospace Comments | COMMENTS: Includes erect, surficial, and pelagic tiering, non-motile attached, facultatively motile attach, non-motile unattached, and fully motile slow motility, and suspension-feeding, predation, photosymbiosis. | |||||||||||||||||||||||||
| Taphonomy | aragonite (based on Hydrozoa) | |||||||||||||||||||||||||
| Primary Reference (PBDB) | J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 | |||||||||||||||||||||||||
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Actinulida order | accepted (GBIF) listed (PBDB) | 0 Ma Extant | |||
| Hydrocorallinae order | listed (PBDB) | 2 | 247 Ma Early/Lower Triassic | 216 Ma Late/Upper Triassic | |
| Hydroida order | listed (PBDB) | 29 | 520 Ma Cambrian | 0 Ma Extant | |
| Lemniscaterina ✝ order | listed (PBDB) | 13 | 247 Ma Early/Lower Triassic | 232 Ma Late/Upper Triassic | |
| Limnomedusae ✝ order | accepted (GBIF) listed (PBDB) | 3 | 247 Ma Early/Lower Triassic | 247 Ma Early/Lower Triassic | |
| Milleporina order | listed (PBDB) | Fire Coral | 165 | 388 Ma Middle Devonian | 0 Ma Extant |
| Siphonophorida order | listed (PBDB) | 2 | 427 Ma Silurian | 0 Ma Extant | |
| Sphaeractinida ✝ order | listed (PBDB) | 7 | 105 Ma Early/Lower Cretaceous | 99.6 Ma Late/Upper Cretaceous | |
| Spongiomorphida ✝ order | listed (PBDB) | 129 | 254 Ma Permian | 56.0 Ma Paleocene | |
| Stylasterina order | listed (PBDB) | Lace Coral | 40 | 70.6 Ma Late/Upper Cretaceous | 0 Ma Extant |
| Trachylinida order | listed (PBDB) | ||||
| Tubulariae order | listed (PBDB) | 2 | 85.8 Ma Late/Upper Cretaceous | 0 Ma Extant | |
| Chondrophorina ✝ suborder | listed (PBDB) | ||||
| Milleporidae family | accepted (GBIF) listed (PBDB) | 2 | 269 Ma Permian | 5.33 Ma Miocene | |
| Delheidia ✝ genus | doubtful (GBIF) listed (PBDB) | 1 | 55.8 Ma Eocene | 55.8 Ma Eocene | |
| Eoporpita ✝ genus | accepted (GBIF) listed (PBDB) | 8 | 635 Ma Neoproterozoic | 635 Ma Neoproterozoic | |
| Fistulella ✝ genus | listed (PBDB) | 10 | 427 Ma Silurian | 409 Ma Early/Lower Devonian | |
| Graptogeitonia ✝ genus | doubtful (GBIF) listed (PBDB) | ||||
| Likinia ✝ genus | doubtful (GBIF) listed (PBDB) | ||||
| Ovatoscutum ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 635 Ma Neoproterozoic | 635 Ma Neoproterozoic | |
| Plumalina ✝ genus | accepted (GBIF) listed (PBDB) | 6 | 384 Ma Middle Devonian | 365 Ma Late/Upper Devonian | |
| Rhizostromella ✝ genus | doubtful (GBIF) listed (PBDB) | ||||
| Roseoporella ✝ genus | doubtful (GBIF) listed (PBDB) | 2 | 388 Ma Middle Devonian | 388 Ma Middle Devonian | |
| Spriggia ✝ genus | doubtful (GBIF) listed (PBDB) | 2 | 635 Ma Neoproterozoic | 635 Ma Neoproterozoic | |
| Stoliczkaria ✝ genus | doubtful (GBIF) listed (PBDB) | ||||
| Stoliczkiella ✝ genus | doubtful (GBIF) listed (PBDB) | ||||
| Tubuloparietes ✝ genus | doubtful (GBIF) listed (PBDB) |
Synonymy List
| Year | Name and Author |
|---|---|
| 1843 | Hydrozoa Owen |
| 1904 | Hydrozoa Ulrich p. 433 |
| 1998 | Hydrozoa Barnes p. 183 |
| 2002 | Hydrozoa Sepkoski, Jr. |
| 2013 | Hydrozoa Kayal et al. |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
